Wydział Chemii

Sumaryczny impact factor: 537.592

Liczba publikacji: 323

1. Jakubas Ryszard, Rok Magdalena, Mencel Klaudia, Bator Grażyna , Piecha-Bisiorek Anna
Correlation between crystal structures and polar (ferroelectric) properties of hybrids of haloantimonates(III) and halobismuthates(III).
Inorganic Chemistry Frontiers, 2020, 7, 2107-2128
IF: 5.934
10.1039/d0qi00265h
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2. Mencel Klaudia, Gągor Anna, Jakubas Ryszard, Ciżman Agnieszka, Medycki Wojciech, Zaręba Jan K., Piecha-Bisiorek Anna
Ferroelectricity in a lead free organic–inorganic 0D hybrid: formamidinium bromoantimonate(III).
Journal of Materials Chemistry C, 2020, 8, 5025-5028
IF: 6.641
10.1039/d0tc00168f
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3. Jakubas Ryszard, Gągor Anna, Winiarski Maciej J., Ptak Maciej, Piecha-Bisiorek Anna, Ciżman Agnieszka
Ferroelectricity in ethylammonium bismuth-based organic–inorganic hybrid: (C₂H₅NH₃)₂[BiBr₅].
Inorganic Chemistry, 2020, 59, 3417-3427
IF: 4.85
10.1021/acs.inorgchem.9b03193
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4. Ksiądzyna Martyna, Gągor Anna, Piecha-Bisiorek Anna, Ciżman Agnieszka, Medycki Wojciech, Jakubas Ryszard
Exploring a hybrid ferroelectric with a 1-D perovskite-like structure: bis(pyrrolidinium) pentachloroantimonate(III).
Journal of Materials Chemistry C, 2019, 7, 10360-10370
IF: 6.641
10.1039/c9tc02849h
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5. Mencel Klaudia, Piecha-Bisiorek Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech
Hybrid organic-inorganic bismuth(III)-based material [4-NH₂C₅H₄NH]₇[BiCl₆]₂Cl. Crystal structure, dielectric properties and molecular motions of 4-aminopyridinium cations.

Journal of Molecular Structure, 2019, 1179, 297-303
IF: 2.12
10.1016/j.molstruc.2018.10.096
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6. Szklarz Przemysław, Gągor Anna, Jakubas Ryszard, Zieliński Piotr, Piecha-Bisiorek Anna, Cichos Jakub, Karbowiak Mirosław, Bator Grażyna , Ciżman Agnieszka
Lead-free hybrid ferroelectric material based on formamidine: [NH₂CHNH₂]₃Bi₂I₉.
Journal of Materials Chemistry C, 2019, 7, 3003-3014
IF: 6.641
10.1039/c8tc06458j
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7. Miniewicz Andrzej, Bartkiewicz Stanisław, Wojaczyńska Elżbieta, Galica Tomasz, Zalesny Robert, Jakubas Ryszard
Second harmonic generation in nonlinear optical crystals formed from propellane-type molecules.
Journal of Materials Chemistry C, 2019, 7, 1255-1262
IF: 6.641
10.1039/c8tc05268a
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8. Mencel Klaudia, Starynowicz Przemysław, Siczek Miłosz, Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech
Symmetry breaking structural phase transitions, dielectric properties and molecular motions of formamidinium cations in 1D and 2D hybrid compounds: (NH₂CHNH₂)₃[Bi₂Cl₉] and (NH₂CHNH₂)₃[Bi₂Br₉]
Dalton Transactions, 2019, 48, 14829-14838
IF: 4.052
10.1039/c9dt02916h
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9. Piecha-Bisiorek Anna, Mencel Klaudia, Kinzhybalo Vasyl V., Szota Aleksandra, Jakubas Ryszard, Medycki Wojciech, Zawrocki Wiktor
Ferroelasticity and piezoelectricity of organic-inorganic hybrid materials with a one-dimensional anionic structure: so similar, yet so different.
CrystEngComm, 2018, 20, 2112-2119
IF: 3.382
10.1039/c8ce00140e
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10. Wojciechowska Martyna, Gągor Anna, Piecha-Bisiorek Anna, Jakubas Ryszard, Ciżman Agnieszka, Zaręba Jan K., Nyk Marcin, Zieliński Piotr, Medycki Wojciech, Bil Andrzej
Ferroelectricity and ferroelasticity in organic inorganic hybrid (Pyrrolidinium)₃[Sb₂Cl₉].
Chemistry of Materials, 2018, 30, 4597-4608
IF: 10.159
10.1021/acs.chemmater.8b00962
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11. Moskwa Marcin, Bator Grażyna , Rok Magdalena, Medycki Wojciech, Miniewicz Andrzej, Jakubas Ryszard
Investigations of organic–inorganic hybrids based on homopiperidinium cation with haloantimonates(III) and halobismuthates(III) : crystal structures, reversible phase transitions, semiconducting and molecular dynamic properties.
Dalton Transactions, 2018, 47, 13507-13522
IF: 4.052
10.1039/c8dt03121e
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12. Owczarek Magdalena T., Szklarz Przemysław, Moskwa Marcin, Jakubas Ryszard
Morpholinium chloroindate(III) complex: a rare acentric structural arrangement leading to piezoelectric properties.
CrystEngComm, 2018, 20, 703-709
IF: 3.382
10.1039/c7ce01756a
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13. Szklarz Przemysław, Jakubas Ryszard, Piecha-Bisiorek Anna, Bator Grażyna , Chański Michał, Medycki Wojciech, Wuttke J.
Organic-inorganic hybrid crystals, (2,4,6-CH₃PyH)₃Sb₂Cl₉ and (2,4,6-CH₃PyH)₃Bi₂Cl₉. Crystal structure characterization and tunneling of CH₃ groups studied by ¹H NMR and neutron spectroscopy.
Polyhedron, 2018, 139, 249-256
IF: 2.284
10.1016/j.poly.2017.10.030
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14. Mencel Klaudia, Durlak Piotr, Rok Magdalena, Jakubas Ryszard, Baran Jan, Medycki Wojciech, Ciżman Agnieszka, Piecha-Bisiorek Anna
Widely used hardly known : an insight into electric and dynamic properties of formamidinium iodide.
RSC Advances, 2018, 8, 26506-26516
IF: 3.049
10.1039/c8ra03871f
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15. Moskwa Marcin, Bator Grażyna , Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech, Ciżman Agnieszka, Baran Jan
X-ray structure and investigation of molecular motions by dielectric, vibrational and ¹H NMR methods for two organic-inorganic hybrid piperazinium compounds: (C₄H₁₂N₂)₂[Sb₂Cl₁₀]·2H₂O and (C₄H₁₂N₂)₂[Sb₂Br₁₀]·2H₂O
Materials Research Bulletin, 2018, 104, 202-211
IF: 3.355
10.1016/j.materresbull.2018.03.048
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16. Piecha-Bisiorek Anna, Gągor Anna, Jakubas Ryszard, Ciżman Agnieszka, Janicki Rafał, Medycki Wojciech
Ferroelectricity in bis(ethylammonium) pentachlorobismuthate(III) : synthesis, structure, polar and spectroscopic properties.
Inorganic Chemistry Frontiers, 2017, 4, 1281-1286
IF: 5.106
10.1039/c7qi00254h
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17. Węcławik Magdalena, Baran Jan, Durlak Piotr, Marciniak Łukasz, Piecha-Bisiorek Anna, Jakubas Ryszard
Fourier transform infrared and Raman spectroscopy in the study of phase transitions in dipyrazolium iodide triiodide : experimental and theoretical analysis.
Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 2017, 179, 83-94
IF: 2.88
10.1016/j.saa.2017.02.029
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18. Piecha-Bisiorek Anna, Gągor Anna, Isakov Dmitry, Zieliński Piotr, Gałązka Mirosław, Jakubas Ryszard
Phase sequence in diisopropylammonium iodide: avoided ferroelectricity by the appearance of a reconstructed phase.
Inorganic Chemistry Frontiers, 2017, 4, 553-558
IF: 5.106
10.1039/c6qi00583g
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19. Florek-Wojciechowska Małgorzata, Jakubas Ryszard, Kruk Danuta
Structure and dynamics of [NH₂(CH₃)₂]₃Sb₂Cl₉ by means of ¹H NMR relaxometry : quadrupolar relaxation enhancement effects.
Physical Chemistry Chemical Physics, 2017, 19, 11197-11205
IF: 3.906
10.1039/C7CP00788D
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20. Gągor Anna, Banach G., Węcławik Magdalena, Piecha-Bisiorek Anna, Jakubas Ryszard
The lone-pair-electron-driven phase transition and order-disorder processes in thermochromic (2-Mlm)Sbl₄ organic-inorganic hybrid.
Dalton Transactions, 2017, 46, 16605-16614
IF: 4.099
10.1039/C7DT03622A
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21. Florek-Wojciechowska M., Wojciechowski M., Jakubas Ryszard, Brym Szczepan, Kruk Danuta
¹H NMR relaxometry and quadrupole relaxation enhancement as a sensitive probe of dynamical properties of solids—[C(NH₂)₃]₃Bi₂I₉ as an example.
Journal of Chemical Physics, 2016, 144, 054501/1-054501/8
IF: 2.965
10.1063/1.4940680
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22. Owczarek Magdalena T., Miniewicz Andrzej, Szklarz Przemysław, Jakubas Ryszard
Crystal structures and related to noncentrosymmetricity properties of 4-aminomorpholinium salts.
Chemical Physics Letters, 2016, 665, 31-35
IF: 1.815
10.1016/j.cplett.2016.10.051
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23. Kruk Danuta, Florek-Wojciechowska Małgorzata, Jakubas Ryszard, Chaurasia Sujeet K., Brym Szczepan
Dynamics of molecular crystals by means of ¹H NMR relaxometry: dynamical heterogeneity versus homogenous motion.
ChemPhysChem, 2016, 17, 2329-2339
IF: 3.075
10.1002/cphc.201600151
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24. Wojciechowska Martyna, Szklarz Przemysław, Białońska Agata, Baran Jan, Janicki Rafał, Medycki Wojciech, Durlak Piotr, Piecha-Bisiorek Anna, Jakubas Ryszard
Enormous lattice distortion through an isomorphous phase transition in an organic-inorganic hybrid based on haloantimonate(III).
CrystEngComm, 2016, 18, 6184-6194
IF: 3.474
10.1039/C6CE01008C
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25. Owczarek Magdalena T., Hujsak Karl A., Ferris Daniel P., Prokofjevs Aleksandrs, Majerz Irena, Szklarz Przemysław, Zhang Huacheng, Sarjeant Amy A., Stern Charlotte L., Jakubas Ryszard, Hong Seungbum, Dravid Vinayak P., Stoddart J. Fraser
Flexible ferroelectric organic crystals.
Nature Communications, 2016, 7, 13108/1-13108/10
IF: 12.124
10.1038/ncomms13108
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26. Piecha-Bisiorek Anna, Bieńko Alina, Jakubas Ryszard, Boča Roman, Weselski Marek, Kinzhybalo Vasyl V., Pietraszko Adam, Wojciechowska Martyna, Medycki Wojciech, Kruk Danuta
Physical and structural characterization of imidazolium-based organic-inorganic hybrid: (C₃N₂H₅)₂[CoCl₄].
Journal of Physical Chemistry A, 2016, 120, 2014-2021
IF: 2.847
10.1021/acs.jpca.5b11924
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27. Przesławski Janusz, Piecha-Bisiorek Anna, Jakubas Ryszard
Specific heat anomaly in ferroelectric: bis(imidazolium) pentachloroantimonate(III) (C₃ N₂ H₅)₂[SbCl₅].
Journal of Molecular Structure, 2016, 1110, 97-101
IF: 1.753
10.1016/j.molstruc.2016.01.030
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28. Węcławik Magdalena, Gągor Anna, Jakubas Ryszard, Piecha-Bisiorek Anna, Medycki Wojciech, Baran Jan, Zieliński Piotr, Gałązka Mirosław
Structure-property relationships in hybrid (C₃H₅N₂)₃[Sb₂I₉] and (C₃H₅N₂)₃[Bi₂I₉] isomorphs.
Inorganic Chemistry Frontiers, 2016, 3, 1306-1316
IF: 4.036
10.1039/C6QI00260A
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29. Masierak Włodzimierz, Florek-Wojciechowska M., Oglodek I., Jakubas Ryszard, Privalov A. F., Kresse B., Fujara F., Kruk Danuta
Dynamics of [C₃H₅N₂]₆[Bi₄Br₁₈] by means of ¹H NMR relaxometry and quadrupole relaxation enhancement.
Journal of Chemical Physics, 2015, 142, 204503/1- 204503/9
IF: 2.894
10.1063/1.4919966
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30. Gągor Anna, Węcławik Magdalena, Bondzior Bartosz, Jakubas Ryszard
Periodic and incommensurately modulated phases in a (2-methylimidazolium)tetraiodobismuthate(III) thermochromic organic-inorganic hybrid.
CrystEngComm, 2015, 17, 3286-3296
IF: 3.849
10.1039/c5ce00046g
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31. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Piecha-Bisiorek Anna, Isakov Dmitry, Medycki Wojciech, Jakubas Ryszard
Polar and antiferroelectric behaviour of a hybrid crystal - piperazinium perchlorate.
CrystEngComm, 2015, 17, 3171-3180
IF: 3.849
10.1039/c5ce00161g
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32. Piecha-Bisiorek Anna, Białońska Agata, Jakubas Ryszard, Zieliński Piotr, Wojciechowska Martyna, Gałązka Mirosław
Strong improper ferroelasticity and weak canted ferroelectricity in a martensitic-like phase transition of diisobutylammonium bromide.
Advanced Materials, 2015, 27, 5023-5027
IF: 18.96
10.1002/adma.201501812
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33. Węcławik Magdalena, Szklarz Przemysław, Medycki Wojciech, Janicki Rafał, Piecha-Bisiorek Anna, Zieliński Piotr, Jakubas Ryszard
Unprecedented transformation of [I^- · I₃^-] to [I₄^2-] polyiodides in the solid state : structures, phase transitions and characterization of dipyrazolium iodide triiodide.
Dalton Transactions, 2015, 44, 18447-18458
IF: 4.177
10.1039/C5DT02265G
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34. Piecha-Bisiorek Anna, Jakubas Ryszard, Medycki Wojciech, Florek-Wojciechowska M., Wojciechowski M., Kruk Danuta
Dynamics of ferroelectric bis(imidazolium)pentachloroantimonate(III) by means of nuclear magnetic resonance ¹H relaxometry and dielectric spectroscopy.
Journal of Physical Chemistry A, 2014, 118, 3564-3571
IF: 2.693
10.1021/jp501331c
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35. Wojtaś Maciej, Czupiński Olaf, Tylczyński Z., Isakov Dmitry, Belsley M., Jakubas Ryszard
Optical nonlinearity and piezoelectricity in 2,4,6-trimethylpyridinium perchlorate.
Chemical Physics, 2014, 441, 59-65
IF: 1.652
10.1016/j.chemphys.2014.06.018
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36. Chański Michał, Białońska Agata, Jakubas Ryszard, Piecha-Bisiorek Anna
Structural characterization and properties of bis (1,4-H₂-1,2,4-triazolium) pentachlorobismuthate (III) and cocrystal of ammonium chloride with tris (1,4-H₂-1,2,4-triazolium) hexachlorobismuthate (III).
Polyhedron, 2014, 71, 69-74
IF: 2.011
10.1016/j.poly.2013.12.038
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37. Owczarek Magdalena T., Majerz Irena, Jakubas Ryszard
Weak hydrogen and dihydrogen bonds instead of strong N-H···O bonds of a tricyclic [1,2,4,5]-tetrazine derivative. Single-crystal X-ray diffraction, theoretical calculations and Hirshfeld surface analysis.
CrystEngComm, 2014, 16, 7638-7648
IF: 4.034
10.1039/C4CE00571F
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38. Piecha Anna, Gągor Anna, Węcławik Magdalena, Jakubas Ryszard, Medycki Wojciech
Anomalous dielectric behaviour in centrosymmetric organic-inorganic hybrid chlorobismuthate(III) containing functional N,N-dimethylethylammonium ligand : crystal structure and properties.
Materials Research Bulletin, 2013, 48, 151-157
IF: 1.968
10.1016/j.materresbull.2012.10.018
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39. Przesławski Janusz, Medycki Wojciech, Piecha Anna, Jakubas Ryszard, Kruk Danuta
Dynamics and ferroelectric phase transition of (C₃N₂H₅)₅Bi₂Br₁₁ by means of ac calorimetry and ¹H NMR relaxometry.
Chemical Physics, 2013, 410, 19-24
IF: 2.028
10.1016/j.chemphys.2012.10.009
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40. Owczarek Magdalena T., Jakubas Ryszard, Pietraszko Adam, Medycki Wojciech, Baran Jan
Investigation of structure-properties relationship in a novel family of halogenoantimonates(III) and halogenobismuthates(III) with morpholinium cation: [NH₂(C₂H₄)₂O]MX₄. Crystal structure, phase transitions and dynamics of molecules.
Dalton Transactions, 2013, 42, 15069-15079
IF: 4.097
10.1039/c3dt51726h
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41. Medycki Wojciech, Latanowicz L., Szklarz Przemysław, Jakubas Ryszard
Proton dynamics at low and high temperatures in a novel ferroelectric diammonium hypodiphosphate (NH₄)₂H₂P₂O₆ (ADhP) as studied by ¹H spin-lattice relaxation time and second moment of NMR line.
Journal of Magnetic Resonance, 2013, 231, 54-60
IF: 2.315
10.1016/j.jmr.2013.03.005
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42. Piecha Anna, Gągor Anna, Jakubas Ryszard, Szklarz Przemysław
Room-temperature ferroelectricity in diisopropylammonium bromide.
CrystEngComm, 2013, 15, 940-944
IF: 3.858
10.1039/c2ce26580j
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43. Węcławik Magdalena, Gągor Anna, Piecha Anna, Jakubas Ryszard, Medycki Wojciech
Synthesis, crystal structure and phase transitions of a series of imidazolium iodides.
CrystEngComm, 2013, 15, 5633-5640
IF: 3.858
10.1039/c3ce40559a
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44. Tarasiewicz Jolanta, Jakubas Ryszard, Majerz Irena, Baran Jan, Gągor Anna, Miniewicz Andrzej
The IR temperature studies of phase transition of 4-aminopyridinium-hydrogen maleate-maleic acid: isotopic effect and nonlinear optical properties.
Vibrational Spectroscopy, 2013, 66, 93-103
IF: 1.547
10.1016/j.vibspec.2013.02.004
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45. Owczarek Magdalena T., Szklarz Przemysław, Jakubas Ryszard, Miniewicz Andrzej
[NH₂(C₂H₄)₂O]MX₅: a new family of morpholinium nonlinear optical materials among halogenoantimonate(III) and halogenobismuthate(III) compounds. Structural characterization, dielectric and piezoelectric properties.
Dalton Transactions, 2012, 41, 7285-7294
IF: 3.806
10.1039/c2dt30291h
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46. Owczarek Magdalena T., Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech, Kruk Danuta, Pietraszko Adam, Gałązka Mirosław, Zieliński Piotr
Crystal structure and characterization of a novel ferroelastic ionic crystal: 1-aminopyridinium iodide (C₅H₇N₂)⁺I^-.
Chemical Physics Letters, 2012, 537, 38-47
IF: 2.145
10.1016/j.cplett.2012.03.101
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47. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Medycki Wojciech, Jakubas Ryszard
Crystal structure and characterization of the novel NH⁺···N hydrogen bonded polar crystal [NH₂(CH₂)₄NH][BF₄].
Journal of Solid State Chemistry, 2012, 187, 35-44
IF: 2.04
10.1016/j.jssc.2011.12.020
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48. Piecha Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Medycki Wojciech
Crystal structure, dielectric properties and molecular motions of molecules in thiazolium halometalates(III): (C₃H₄NS)₆M₄Br₁₈·2H₂O (M=Sb, Bi).
Journal of Molecular Structure, 2012, 1013, 55-60
IF: 1.404
10.1016/j.molstruc.2012.01.014
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49. Owczarek Magdalena T., Jakubas Ryszard, Majerz Irena, Baran Jan
Experimental (IR) and theoretical (LDA) studies of the structure and vibrational-reorientational dynamics of ferroelastic 1-aminopyridinium iodide.
Chemical Physics, 2012, 405, 167-174
IF: 1.957
10.1016/j.chemphys.2012.07.007
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50. Zdanowska-Frączek M., Frączek Z. J., Szklarz Przemysław, Jakubas Ryszard
High-pressure dielectric studies of a novel hydrogen-bonded ferroelectric (NH₄)₂H₂P₂O₆.
Journal of Physics and Chemistry of Solids, 2012, 73, 953-956
IF: 1.527
10.1016/j.jpcs.2012.03.006
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51. Kruk Danuta, Privalov Alexei, Medycki Wojciech, Uniszkiewicz Cezary, Masierak Włodzimierz, Jakubas Ryszard
NMR studies of solid-state dynamics.
Annual Reports on NMR Spectroscopy, 2012, 76, 67-138
IF: 1.424

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52. Piecha Anna, Białońska Agata, Jakubas Ryszard
Novel organic-inorganic hybrid ferroelectric: bis(imidazolium) pentachloroantimonate(III), C₃N₂H₅)₂SbCl₅.
Journal of Materials Chemistry, 2012, 22, 333-336
IF: 6.108
10.1039/c1jm13597j
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53. Szklarz Przemysław, Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Phase transition of the novel hydrogen bonded ferroelectric (NH₄)₂H₂P₂O₆ studied by specific heat measurements.
Thermochimica Acta, 2012, 527, 8-12
IF: 1.989
10.1016/j.tca.2011.09.016
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54. Płowaś Iwona, Bator Grażyna , Jakubas Ryszard, Baran Jan
Thermal, dielectric and vibrational properties of allylammonium chloroantimonates(III) and chlorobismuthates(III): [C₃H₅NH₃]₃[BiCl₆] and [C₃H₅NH₃]₃[SbCl₅]·Cl.
Vibrational Spectroscopy, 2012, 62, 121-132
IF: 1.747
10.1016/j.vibspec.2012.05.015
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55. Płowaś Iwona, Białońska Agata, Bator Grażyna , Jakubas Ryszard, Medycki Wojciech, Baran Jan
Tris(allylammonium) hexabromobismuthate(III) - crystal structure, phase transitions and thermal, dielectric, vibrational and¹H NMR properties over a range of temperatures.
European Journal of Inorganic Chemistry, 2012, 4, 636-646
IF: 3.12
10.1002/ejic.201100832
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56. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
Complex molecular dynamics of (CH₃NH₃)₅Bi₂Br₁₁ (MAPBB) protons from NMR relaxation and second moment of NMR spectrum.
Journal of Magnetic Resonance, 2011, 211, 207-216
IF: 2.138
10.1016/j.jmr.2011.05.016
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57. Gągor Anna, Piecha Anna, Jakubas Ryszard, Miniewicz Andrzej
Crystal structure and characterization of a novel acentric imidazolium analog [C₃N₂H₅⁺][Br^-].
Chemical Physics Letters, 2011, 503, 134-138
IF: 2.337
10.1016/j.cplett.2010.12.083
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58. Tarasiewicz Jolanta, Gągor Anna, Jakubas Ryszard, Kulicka Beata, Baran Jan
Crystal structure, thermal, dielectric and vibrational properties of a novel polar crystal: 4-aminopyridinium-hydrogen maleate-maleic acid, [4-NH₂C₅H₄NH][C₄H₃O₄][C₄H₄O₄].
Journal of Molecular Structure, 2011, 1002, 28-36
IF: 1.634
10.1016/j.molstruc.2011.06.040
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59. Wojtaś Maciej, Bil Andrzej, Jakubas Ryszard, Gągor Anna, Pietraszko Adam, Czupiński Olaf, Tylczyński Z., Isakov Dmitry
Organic-inorganic compounds with strong nonlinear optical properties based on 2,4,6-trimethylpyridinium and tetrahedral BF₄^- networks.
Physical Review B, 2011, 83, 1-13
IF: 3.691
10.1103/PhysRevB.83.144103
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60. Płowaś Iwona, Szklarz Przemysław, Jakubas Ryszard, Bator Grażyna
Structural, thermal and dielectric studies on the novel solution grown (4-dimethylaminopyridinium) chloroantimonate(III) and chlorobismuthate(III) crystals.
Materials Research Bulletin, 2011, 46, 1177-1185
IF: 2.105
10.1016/j.materresbull.2011.04.013
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61. Kruk Danuta, Medycki Wojciech, Przesławski Janusz, Dacko Sławomir, Piecha Anna, Jakubas Ryszard
Thermodynamic properties and molecular motions in ferroelectric (C₃N₂H₅)₅Sb₂Br₁₁.
Chemical Physics, 2011, 380, 86-91
IF: 1.896
10.1016/j.chemphys.2010.12.010
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62. Owczarek Magdalena T., Jakubas Ryszard, Bator Grażyna , Pawlukojć Andrzej, Baran Jan, Przesławski Janusz, Medycki Wojciech
Vibrational and thermodynamic properties and molecular motions in the incommensurate crystal of morpholinium tetrafluoroborate studied by ¹ H NMR.
Chemical Physics, 2011, 381, 11-20
IF: 1.896
10.1016/j.chemphys.2011.01.002
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63. Kruk Danuta, Medycki Wojciech, Mielczarek A., Jakubas Ryszard, Uniszkiewicz Cezary
Complex nuclear relaxation processes in guanidinium compounds [C(NH₂)₃]₃Sb₂X₉ (X= Br, Cl): effects of quadrupolar interactions.
Applied Magnetic Resonance, 2010, 39, 233-249
IF: 1.126
10.1007/s00723-010-0152-x
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64. Kulicka Beata, Lis Tadeusz, Kinzhybalo Vasyl V., Jakubas Ryszard, Piecha Anna
Novel anionic water-containing inorganic fragment in [4-NH₂PyH]₈[Bi₂Cl₁₁] [Bi₂Cl₉(H₂O)₂]: structural characterization, thermal, dielectric and vibrational properties.
Polyhedron, 2010, 29, 2014-2022
IF: 2.034
10.1016/j.poly.2010.03.017
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65. Płowaś Iwona, Białońska Agata, Jakubas Ryszard, Bator Grażyna , Zarychta Bartosz, Baran Jan
Structural characterization, thermal, dielectric and vibrational properties of tris(allylammonium) hexabromoantimonate(III), (C₃H₅NH₃)₃SbBr₆.
Chemical Physics, 2010, 375, 16-25
IF: 2.017
10.1016/j.chemphys.2010.07.012
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66. Wojtaś Maciej, Medycki Wojciech, Baran Jan, Jakubas Ryszard
Thermal, dielectric and vibrational properties of ferroelastic [(CH₃)₃PH]₃[Sb₂Cl₉] crystal. Molecular motion of trimethylphosphonium cations studied by proton magnetic resonance.
Chemical Physics, 2010, 371, 66-75
IF: 2.017
10.1016/j.chemphys.2010.04.005
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67. Piecha Anna, Gągor Anna, Pietraszko Adam, Jakubas Ryszard
Unprecedented solid-state chemical reaction—from (C₃N₂H₅)₃SbBr₆·H₂O to (C₃N₂H₅)₅Sb₂Br₁₁. From centrosymmetric to non-centrosymmetric crystal structure.
Journal of Solid State Chemistry, 2010, 183, 3058-3066
IF: 2.261
10.1016/j.jssc.2010.10.020
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68. Wojtaś Maciej, Gągor Anna, Czupiński Olaf, Pietraszko Adam, Jakubas Ryszard
2,4,6-trimethylpyridinium perchlorate: polar properties and correlations with molecular structure of organic-inorganic hybrid crystal.
Journal of Solid State Chemistry, 2009, 182, 3021-3030
IF: 2.34

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69. Xu G., Li Yan, Zhou W.-W., Wang G.-J., Long X.-F., Cai L.-Z., Wang M.-S., Guo G.-C., Huang J.-S., Bator Grażyna , Jakubas Ryszard
A ferroelectric inorganic-organic hybrid based on NLO-phore stilbazolium.
Journal of Materials Chemistry, 2009, 19, 2179-2183
IF: 4.795

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70. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
Complex methyl groups dynamics in [(CH₃)₄P]₃Sb₂Br₉ (PBA) from low to high temperatures by proton spin-lattice relaxation and narrowing of proton NMR spectrum.
Solid State Nuclear Magnetic Resonance, 2009, 36, 144-150
IF: 1.368

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71. Szklarz Przemysław, Owczarek Magdalena T., Bator Grażyna , Lis Tadeusz, Gatner Kazimierz, Jakubas Ryszard
Crystal structure, properties and phase transitions of morpholinum tetrafluoroborate [C₄H₁₀NO][BF₄].
Journal of Molecular Structure, 2009, 929, 48-57
IF: 1.551

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72. Piecha Anna, Jakubas Ryszard
Dielectric critical slowing down in pentakis(imidazolium) undecabromodibismuthate(III): (C₃N₂H₅)₅Bi₂Br₁₁.
Journal of Physics-Condensed Matter, 2009, 21, 1-5
IF: 1.964

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73. Piecha Anna, Jakubas Ryszard, Bator Grażyna , Baran Jan
Infrared investigations of the order-disorder ferroelectric phase transitions in imidazolium halogenobismuthates(III) and halogenoantimonates(III): (C₃N₂H₅)₅Bi₂Cl₁₁, (C₃N₂H₅)₅Bi₂Br₁₁ and (C₃N₂H₅)₅Sb₂Br₁₁.
Vibrational Spectroscopy, 2009, 51, 226-237
IF: 1.931

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74. Zdanowska-Frączek M., Hołderna-Natkaniec K., Frączek Z. J., Jakubas Ryszard
Molecular dynamics and electrical conductivity of (C₃N₂H₅)₅Bi₂Cl₁₁.
Solid State Ionics, 2009, 180, 9-12
IF: 2.162

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75. Tarasiewicz Jolanta, Jakubas Ryszard, Bator Grażyna , Zaleski J., Baran Jan, Medycki Wojciech
Structural characterization, thermal, dielectric, vibrational properties and molecular dynamics of (C₅H₅NH)₃BiCl₆.
Journal of Molecular Structure, 2009, 932, 6-15
IF: 1.551

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76. Piecha Anna, Jakubas Ryszard, Pietraszko Adam, Baran Jan, Medycki Wojciech, Kruk Danuta
Structural characterization, thermal, dielectric, vibrational properties and molecular motions in [C₃N₂H₅]₆[Bi₄Br₁₈].
Journal of Solid State Chemistry, 2009, 182, 2949-2960
IF: 2.34

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77. Zdanowska-Frączek M., Wysocka M., Frączek Z. J., Jakubas Ryszard
Electric properties of (C₃H₅N₂)₅Bi₂Cl₁₁ crystal in the paraelectric-ferroelectric phase.
Solid State Ionics, 2008, 178, 1731-1734
IF: 2.425

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78. Gągor Anna, Wojtaś Maciej, Pietraszko Adam, Jakubas Ryszard
From six- to five-coordinated Sb^III in [(CH₃)₃PH]₃[Sb₂Cl₉]: transition pathways from single-crystal X-ray diffraction.
Acta Crystallographica Section B: Structural Science Crystal Engineering and Materials, 2008, B64, 558-566
IF: 2.341

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79. Hołderna-Natkaniec K., Natkaniec I., Jakubas Ryszard, Nowak D., Medycki Wojciech
Internal dynamics of (C₃N₂H₅)₅Bi₂Cl₁₁ studied by IINS,¹H NMR and QC methods.
Journal of Molecular Structure, 2008, 891, 143-150
IF: 1.594

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80. Piecha Anna, Jakubas Ryszard, Kinzhybalo Vasyl V., Lis Tadeusz
Structural and dielectric properties of thiazolium chlorobismuthate(III) and chloroantimonate(III).
Journal of Molecular Structure, 2008, 887, 194-200
IF: 1.594

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81. Piecha Anna, Pietraszko Adam, Bator Grażyna , Jakubas Ryszard
Structural characterization and ferroelectric ordering in (C₃N₂H₅)₅Sb₂Br₁₁.
Journal of Solid State Chemistry, 2008, 118, 1155-1166
IF: 1.91

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82. Tarasiewicz Jolanta, Jakubas Ryszard, Zaleski J., Baran Jan
Structural characterization, thermal, dielectric and spectroscopic properties of di(n-pentylammonium) pentabromoantimonate(III): [n-C₅H₁₁NH₃]₂[SbBr₅].
Journal of Molecular Structure, 2008, 876, 86-101
IF: 1.594

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83. Piecha Anna, Białońska Agata, Jakubas Ryszard, Medycki Wojciech
Structural polymorphism in new organic-inorganic hybrid:pyrazolium bromoantimonates(III) [C₃N₂H₅]₆Sb₄Br₁₈·2H₂O (tetragonal and triclinic forms). Thermal, dielectric and proton magnetic resonance (¹H NMR) studies on the tetragonal form.
Solid State Sciences, 2008, 10, 1469-1479
IF: 1.742

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84. Piecha Anna, Białońska Agata, Jakubas Ryszard
Structure and ferroelectric properties of [C₃N₂H₅]₅[Bi₂Br₁₁].
Journal of Physics-Condensed Matter, 2008, 20, 1-9
IF: 1.9

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85. Szklarz Przemysław, Pietraszko Adam, Jakubas Ryszard, Bator Grażyna , Zieliński Piotr, Gałązka Mirosław
Structure, phase transitions and molecular dynamics of [C(NH₂)₃]₃[M₂I₉], M=Sb, Bi.
Journal of Physics-Condensed Matter, 2008, 20, 1-12
IF: 1.9

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86. Zdanowska-Frączek M., Frączek Z. J., Piecha Anna, Jakubas Ryszard, Rzepczyńska A.
The influence of hydrostatic pressure on the ferroelectric phase transition in (C₃N₂H₅)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 2008, 20, 1-6
IF: 1.9

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87. Owczarek Magdalena T., Szklarz Przemysław, Jakubas Ryszard, Lis Tadeusz
The low-temperature phase of morpholinium tetrafluoroborate.
Acta Crystallographica Section E: Structure Reports Online, 2008, E64, o667-o667, 1-11
IF: 0.367
10.1107/S1600536808004339
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88. Wojtaś Maciej, Jakubas Ryszard, Zaleski J., Bator Grażyna , Baran Jan
The phase situation and ferroelectric properties in the mixed crystals [4-NH₂PyH][SbCL₄₍₁–_x)Br_4x].
Journal of Molecular Structure, 2008, 887, 262-268
IF: 1.594

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89. Piecha Anna, Jakubas Ryszard
Dielectric critical slowing down in ferroelectric (C₃N₂H₅)₅Sb₂Br₁₁.
Journal of Physics-Condensed Matter, 2007, 19, 1-8
IF: 1.886

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90. Piecha Anna, Jakubas Ryszard, Pietraszko Adam
Phase transitions and electric properties of imidazolium chlorobismuthate(III): [C₃H₅N₂]₆[Bi₄Cl₁₈].
Journal of Molecular Structure, 2007, 829, 149-154
IF: 1.486

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91. Piecha Anna, Jakubas Ryszard, Pietraszko Adam, Baran Jan
Structural characterization and spectroscopic properties of imidazolium chlorobismuthate(III) : [C₃H₅N₂]₆[Bi₄Cl₁₈].
Journal of Molecular Structure, 2007, 844-845, 132-139
IF: 1.486

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92. Piecha Anna, Kinzhybalo Vasyl V., Jakubas Ryszard, Baran Jan, Medycki Wojciech
Structural characterization, molecular dynamics, dielectric and spectroscopic properties of tetrakis(pyrazolium)bis(μ₂-bromo-tetrabromobismuthate(III) dihydrate, [C₃N₂H₅]₄[Bi₂Br₁₀]·2H₂O.
Solid State Sciences, 2007, 9, 1036-1048
IF: 1.698

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93. Czupiński Olaf, Wojtaś Maciej, Pietraszko Adam, Jakubas Ryszard
Structural characterization, phase transition and dielectric properties of 4-cyanopyridynium perchlorate monohydrate : [(4-CNC₅H₄NH)][ClO₄]·H₂O.
Solid State Sciences, 2007, 9, 108-115
IF: 1.698

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94. Szklarz Przemysław, Jakubas Ryszard, Bator Grażyna , Lis Tadeusz, Kinzhybalo Vasyl V., Baran Jan
Structural characterization, spectroscopic properties and phase transition in 4-aminopyridinium tetrachlorogallate(III): [ 4-NH₂PyH][GaCl₄].
Journal of Physics and Chemistry of Solids, 2007, 68, 2303-2316
IF: 0.899

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95. Piecha Anna, Kinzhybalo Vasyl V., Ślepokura Katarzyna, Jakubas Ryszard
Structural characterization, thermal and electric properties of imidazolium bromoantimonate(III): [C₃H₅N₂]₃[Sb₂Br₉].
Journal of Solid State Chemistry, 2007, 180, 265-275
IF: 2.149

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96. Wojtaś Maciej, Zaleski J., Medycki Wojciech, Jakubas Ryszard
Structure and properties of tris(tetramethylammonium) nonabromodiarsenate (III), [(CH₃)₄ N]₃[As₂Br₉].
Journal of Physics-Condensed Matter, 2007, 19, 1-17
IF: 1.886

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97. Przesławski Janusz, Kosturek Bogdan, Dacko Sławomir, Jakubas Ryszard
Thermal and optical properties of the ferroelectric (C₃N₂H₅)₅Bi₂Cl₁₁ crystal.
Solid State Communications, 2007, 142, 713-717
IF: 1.535

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98. Bator Grażyna , Jakubas Ryszard, Baran Jan
Vibrational study of the structural phase transitions in 4-aminopyridinium tetrachloroantimonate(III) (4-APCA) ferroelectric crystal by infrared spectroscopy.
Vibrational Spectroscopy, 2007, 45, 36-45
IF: 1.78

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99. Kulicka Beata, Kinzhybalo Vasyl V., Jakubas Ryszard, Ciunik Zbigniew, Baran Jan, Medycki Wojciech
Crystal structure and phase transition of 4-aminopyridinium tetrachlorobismuthate(III), [4-NH₂C₅H₄NH][BiCl₄], as studied by x-ray diffraction, dielectric, proton NMR and infrared spectroscopy.
Journal of Physics-Condensed Matter, 2006, 18, 5087-5104
IF: 2.038

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100. Kulicka Beata, Jakubas Ryszard, Bednarska-Bolek Beata, Bator Grażyna , Ciunik Zbigniew
Crystal structure and phase transitions in dipropylammonium hexachloroantimonate(V): [N(C₃H₇)₂H₂][SbCl₆].
Journal of Molecular Structure, 2006, 792-793, 151-156
IF: 1.495

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101. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan
Infrared studies of phase transitions in ferroelectric (C₅H₅NH)₅Bi₂Br₁₁.
Vibrational Spectroscopy, 2006, 40, 55-65
IF: 1.88

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102. Rogowski R. Z., Matyjasek K., Jakubas Ryszard
Polarization switching in (CH₃NH₃)₅Bi₂Cl₁₁ ferroelectric crystals.
Crystal Research and Technology, 2006, 41, 557-561
IF: 0.863

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103. Kulicka Beata, Jakubas Ryszard, Ciunik Zbigniew
Structural characterization and properties of [4-CH₃C₅H₄NH][SbBr₄]. The mechanism of phase transitions in 4-methylpyridinium bromoantimonates(III).
Solid State Sciences, 2006, 8, 1229-1236
IF: 1.752

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104. Czupiński Olaf, Wojtaś Maciej, Zaleski J., Jakubas Ryszard, Medycki Wojciech
Structure and properties of 2-cyanopyridinium perchlorate [2-CNPyH][ClO₄].
Journal of Physics-Condensed Matter, 2006, 18, 3307-3324
IF: 2.038

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105. Kulicka Beata, Jakubas Ryszard, Pietraszko Adam, Medycki Wojciech, Świergiel J.
Structure, phase transitions and molecular dynamics in 4-aminopyridinium hexachloroantimonate(V), [4-NH₂C₅H₄NH][SbCl₆].
Journal of Molecular Structure, 2006, 783, 88-95
IF: 1.495

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106. Czupiński Olaf, Wojtaś Maciej, Ciunik Zbigniew, Jakubas Ryszard
Structure, phase transitions, dielectric and spectroscopic studies of the 2-aminopyrimidinium salts: [2-NH₂C₄N₂H₃)₂H][ClO₄] and [2-NH₂C₄N₂H₄][BF₄].
Solid State Sciences, 2006, 8, 86-96
IF: 1.752

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107. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan, Pietraszko Adam
Thermal, dielectric properties and vibrational spectra of [η-C₄H₉NH₃]₂[BiBr₅] crystal.
Journal of Molecular Structure, 2006, 792-793, 265-273
IF: 1.495

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108. Medycki Wojciech, Świergiel J., Jakubas Ryszard, Hołderna-Natkaniec K.
¹H NMR study of molecular dynamics of 4-apyH cation under high hydrostatic pressure.
Acta Physica Polonica A, 2005, 108, 161-164
IF: 0.394

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109. Zdanowska-Frączek M., Jakubas Ryszard, Czarnecki P.
Compositional and pressure effects on the phase transition in ferroelectric NH₄H(ClH₂CCOO)₂.
Ferroelectrics, 2005, 316, 97-101
IF: 0.459

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110. Piecha Anna, Bator Grażyna , Jakubas Ryszard
Critical slowing down of low-frequency dielectric relaxation in ferroelectric (C₃N₂H₅)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 2005, 17, 411-417
IF: 2.145

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111. Zdanowska-Frączek M., Jakubas Ryszard, Czarnecki P.
Decoupling of the order-disorder and displacive contributions to the phase transition in NH₄H(ClH₂CCOO)₂.
Journal of Physics and Chemistry of Solids, 2005, 66, 845-850
IF: 1.41

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112. Rogowski R. Z., Matyjasek K., Jakubas Ryszard
Kinetics of ferroelectric switching in unipolar (CH₃NH₃)₅Bi₂Br₁₁.
Journal of Physics D-Applied Physics, 2005, 38, 4145-4152
IF: 1.957

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113. Dziedzic J., Mróz J., Jakubas Ryszard
Pyroelectric and dilatomeric studies on the low temperature ferroelectric phase transition of (CH₃NH₃)₅Bi₂Br₁₁.
Acta Physica Polonica A, 2005, 108, 505-511
IF: 0.394

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114. Jakubas Ryszard, Piecha Anna, Pietraszko Adam, Bator Grażyna
Structure and ferroelectric properties of (C₃N₂H₅)₅Bi₂Cl₁₁.
Physical Review B, 2005, 72, 1-8
IF: 3.185

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115. Jakubas Ryszard, Bednarska-Bolek Beata, Zaleski J., Medycki Wojciech, Hołderna-Natkaniec K., Zieliński Piotr, Gałązka Mirosław
Structure, phase transitions and molecular dynamics in ferroelastic crystal pyrrolidinium hexachloroantimonate(V), [C₄H₈NH₂][SbCl₆].
Solid State Sciences, 2005, 7, 381-390
IF: 1.708

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116. Latanowicz L., Medycki Wojciech, Jakubas Ryszard
The effect of low-temperature dynamics of the dimethylammonium group in [(CH₃)₂NH₂]₃Sb₂Cl₉ on proton spin-lattice relaxation and narrowing of the proton NMR.
Journal of Physical Chemistry A, 2005, 109, 3097-3104
IF: 2.898

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117. Zdanowska-Frączek M., Jakubas Ryszard
The pressure influence on the incommensurate-commensurate ferroelectric phase transition in [4-NH₂C₅H₄NH][SbCl₄].
Solid State Communications, 2005, 136, 470-474
IF: 1.489

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118. Szklarz Przemysław, Zaleski J., Jakubas Ryszard, Bator Grażyna , Medycki Wojciech, Falińska K.
The structure, phase transition and molecular dynamics of [C(NH₂)₃]₃[Sb₂Br₉].
Journal of Physics-Condensed Matter, 2005, 17, 2509-2528
IF: 2.145

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119. Wojtaś Maciej, Jakubas Ryszard, Baran Jan
Vibrational study of the ferroelastic phase transition in [(CH₃)₄P]₃[Bi₂Cl₉] and [(CH₃)₄P]₃[Bi₂Br₉] .
Vibrational Spectroscopy, 2005, 39, 23-30
IF: 1.758

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120. Medycki Wojciech, Świergiel J., Holderna-Natkaniec K., Jurga K., Jakubas Ryszard
¹H NMR studies on molecular motions of 4-aminopyridinium and pyrrolidinium cations in new ferroics.
Solid State Nuclear Magnetic Resonance, 2004, 25, 129-132
IF: 1.7

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121. Gatner Kazimierz, Jakubas Ryszard
A novel experimental method: electrochemical detection of the phase transition in frroelectric single crystals.
Chemical Physics Letters, 2004, 384, 262-265
IF: 2.438

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122. Majerz Irena, Jakubas Ryszard
Anomalous temperature effect on the hydrogen bond strength and phase transition in 2,4,6-trimethylpyridinium pentachlorophenolate.
Journal of Molecular Structure, 2004, 694, 45-53
IF: 1.2

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123. Kulicka Beata, Jakubas Ryszard, Pietraszko Adam, Bator Grażyna , Baran Jan
Crystal structure thermal, dielectric and vibrational studies of the [4-C₂H₅PyH]₄[Sb₂Cl₁₀] crystal.
Solid State Sciences, 2004, 6, 1273-1286
IF: 1.598

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124. Zdanowska-Frączek M., Jakubas Ryszard, Krupski M.
Effect of hydrostatic pressure on the phase transition temperature in [NH₂(CH₃)₂]₃Sb₂Cl₉.
Ferroelectrics, 2004, 302, 91-93
IF: 0.517

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125. Czupiński Olaf, Jakubas Ryszard, Pietraszko Adam
On structural phase transitions in 4-aminopyridinium fluoroborate, [4-NH₂C₅H₅N][BF₄]: differential scanning calorimetry, dielectric and infrared studies.
Journal of Molecular Structure, 2004, 704, 177-187
IF: 1.2

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126. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan, Pietraszko Adam
On the structural phase transitions in [η-C₄H₉NH₃]₂[SbBr₅]: thermal, dielectric and infrared studies.
Journal of Molecular Structure, 2004, 697, 161-171
IF: 1.2

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127. Wojtaś Maciej, Jakubas Ryszard, Ciunik Zbigniew, Medycki Wojciech
Structure and phase transitions in [(CH₃)₄P]₃[Sb₂Br₉] and [(CH₃)₄P]₃[Bi₂Br₉].
Journal of Solid State Chemistry, 2004, 177, 1575-1584
IF: 1.815

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128. Wojtaś Maciej, Jakubas Ryszard
Structure and properties of [(CH₃)₄P]₃[Sb₂Cl₉] and [(CH₃)₄P]₃[Bi₂Cl₉].
Journal of Physics-Condensed Matter, 2004, 16, 7521-7534
IF: 2.049

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129. Kulicka Beata, Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew, Medycki Wojciech
Structure and properties of [2-NH₂C₅H₄NH][SbCl₄] and [2-NH₂C₅H₄NH][SbBr₄].
Journal of Physics-Condensed Matter, 2004, 16, 8155-8172
IF: 2.049

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130. Kulicka Beata, Jakubas Ryszard, Ciunik Zbigniew, Bator Grażyna , Medycki Wojciech, Świergiel J., Baran Jan
Structure, phase transitions and molecular dynamics in 4-methylpyridinium tetrachloroantimonate(III), [4-CH₃C₅H₄NH][SbCl₄].
Journal of Physics and Chemistry of Solids, 2004, 65, 871-879
IF: 0.988

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131. Zdanowska-Frączek M., Jakubas Ryszard, Krupski M.
The effect of hydrostatic pressure on the ferroelectric phase transition in [NH₂(CH₃)₂]₃[Sb₂Cl₉].
Journal of Physics and Chemistry of Solids, 2004, 65, 1679-1682
IF: 0.988

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132. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J.
Crystal structure, phase transition and ferroelectric properties of the [(CH₃)₃NH]₃[Sb₂Cl_9(1-x)Br_9x] (TMACBA) mixed crystals.
Journal of Physics-Condensed Matter, 2003, 15, 5765-5781
IF: 1.757

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133. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J., Kosturek Bogdan, Baran Jan
Crystal structure, phase transitions and ferroelastic properties of [(CH₃)₂NH₂]₃[Bi₂Cl₉].
Journal of Solid State Chemistry, 2003, 173, 425-434
IF: 1.413

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134. Wojtaś Maciej, Shvartsman V. V., Jakubas Ryszard, Kholkin Andrei L.
Domain structure, local hysteresis and ferroelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁ (MAPBBB) single crystals.
Ferroelectrics, 2003, 295, 121-129
IF: 0.406

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135. Bator Grażyna , Jakubas Ryszard
Dynamical dielectric properties of [4-NH₂C₅H₄NH][SbCl₄] in the incommensurate phase.
Journal of the Physical Society Japan, 2003, 72, 2369-2371
IF: 1.903

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136. Jakubas Ryszard, Ciunik Zbigniew, Bator Grażyna
Ferroelectric properties of [4-NH₂C₅H₄NH][SbCl₄].
Physical Review B, 2003, 67, 1-6
IF: 2.962

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137. Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew
Halogenoantimonates(III) and halogenobismuthates(III)-a rich family of ferroelectric crystals.
Ferroelectrics, 2003, 295, 3-8
IF: 0.406

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138. Medycki Wojciech, Holderna-Natkaniec K., Swiergiel J., Jakubas Ryszard
Molecular dynamics in ferroelectric 4-aminopyridinium tetrachloroantimonate(III), [4-NH₂C₅H₄NH][SbCl₄].
Solid State Nuclear Magnetic Resonance, 2003, 24, 209-217
IF: 1.453

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139. Pawlaczyk Czesław, Jakubas Ryszard
On the dynamic dielectric behaviour of (CH₃NH₃)₃Sb₂Br₉(MABA).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2003, 58a, 189-193
IF: 0.681

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140. Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł
Phase transitions in guanidinium bromoantimonate(V) [C(NH₂)₃]SbBr₆.
Polish Journal of Chemistry, 2003, 77, 123-127
IF: 0.515

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141. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Specific heat and linear birefringence behaviour of 4-aminopyridinium tetrachloroantimonate (III), [4-NH₂C₅H₄NH][SbCl₄].
Journal of Physics-Condensed Matter, 2003, 15, 643-648
IF: 1.757

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142. Zdanowska-Frączek M., Kozak A., Jakubas Ryszard, Wąsicki J., Utrecht R.
¹H NMR study on the motion of NH₄+ in ferroelectric NH₄H(ClH₂CCOO)₂ and mixed (NH₄)_1-xRb_xH(ClH₂CCOO)₂ (x=0.15).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2002, 57a, 883-887
IF: 0.732

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143. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard
Crystal structure and ferroelectric properties in the mixed crystals: [(CH₃)₂NH₂]₃Sb_2(1-x)Bi_2xCl₉ and [(CH₃)₃NH]₃Sb₂Cl_9(1-x)Br_9x.
Ferroelectrics, 2002, 272, 297-302
IF: 0.408

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144. Wojtaś Maciej, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard
Crystal structure, thermal and electric behaviour of [(CH₃)₂NH₂]₃[As₂Cl₉] and [(CH₃)₂NH₂][AsOCl₂].
Zeitschrift für Anorganische und Allgemeine Chemie, 2002, 628, 516-522
IF: 1.196

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145. Grottel M., Pająk Z., Jakubas Ryszard
NMR study of guanidinium cation dynamics in C(NH₂)₃SbCl₆.
Molecular Physics, 2002, 100, 1969-1973
IF: 1.617

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146. Medycki Wojciech, Jakubas Ryszard
NMR study of phase transition in new ferroelectric crystal—(C₅H₅NH)₅Bi₂Br₁₁.
Solid State Nuclear Magnetic Resonance, 2002, 21, 44-52
IF: 1.333

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147. Tarasiewicz Jolanta, Jakubas Ryszard, Baran Jan
Raman studies of the anionic sublattice vibrations in (C₅H₅NH)₆Bi₄Cl₁₈.
Journal of Molecular Structure, 2002, 614, 333-338
IF: 1.122

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148. Bednarska-Bolek Beata, Ciunik Zbigniew, Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł
Structure and phase transitions in chloroantimonate(V) crystals: [(C₂H₅)₃NH]SbCl₆ and [(C₂H₅)₃NH]SbCl₆·1/2[(C₂H₅)₃NH]Cl.
Journal of Physics and Chemistry of Solids, 2002, 63, 507-518
IF: 1.14

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149. Czupiński Olaf, Bator Grażyna , Ciunik Zbigniew, Jakubas Ryszard, Medycki Wojciech, Świergiel J.
Structure, phase transitions and molecular motions in 4-aminopyridinium perchlorate.
Journal of Physics-Condensed Matter, 2002, 14, 8497-8512
IF: 1.775

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150. Bednarska-Bolek Beata, Jakubas Ryszard, Medycki Wojciech, Nowak D., Zaleski J.
Structure, phase transitions and molecular motions in ferroelastic (C₄H₈NH₂)SbCl₆·(C₄H₈NH₂)Cl.
Journal of Physics-Condensed Matter, 2002, 14, 3129-3142
IF: 1.775

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151. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transition in bis(pyrrolidinium)-chloride-hexachloroantimonate(V) by infrared spectroscopy.
Journal of Molecular Structure, 2002, 614, 151-157
IF: 1.122

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152. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transitions in a new ferroelastic (C₅H₁₀NH₂)SbCl₆ crystal by infrared and Raman spectroscopies.
Polish Journal of Chemistry, 2002, 76, 385-394
IF: 0.528

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153. Wojtaś Maciej, Bator Grażyna , Jakubas Ryszard, Zaleski J.
Crystal structure and dielectric properties of the [(CH₃)₂NH₂]₃Sb_2(1-x)Bi_2xCl₉ (DMACAB) mixed crystals.
Journal of Physics-Condensed Matter, 2001, 13, 8831-8852
IF: 1.698

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154. Bednarska-Bolek Beata, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam
Ferroelastic phase transitions in triethylammonium and piperidinium chloroantimonate(V).
Ferroelectrics, 2001, 264, 145-150
IF: 0.471

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155. Jóźków Jolanta, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam
Ferroelectric properties of (C₅H₅NH)₅BI₂Br₁₁.
Journal of Chemical Physics, 2001, 114, 7239-7246
IF: 3.147

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156. Kuchta B., Carpentier P., Jakubas Ryszard, Zając Wojciech, Zieliński Piotr
Monte Carlo study of a compressible pseudospin model for (CH₃NH₃)₅Bi₂Cl₁₁.
Physical Review B, 2001, 63, 1-6
IF: 3.07

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157. Pietraszko Adam, Bednarska-Bolek Beata, Jakubas Ryszard, Zieliński Piotr
Phase transitions in the ferroelastic [C_5H10NH_2]SbCl_6.
Journal of Physics-Condensed Matter, 2001, 13, 6471-6488
IF: 1.698

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158. Bator Grażyna , Zeegers-Huyskens Th., Jakubas Ryszard, Zaleski J.
Structure and phase transitions in guanidinium halogenobismuthates(III).
Journal of Molecular Structure, 2001, 570, 61-74
IF: 0.907

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159. Jóźków Jolanta, Medycki Wojciech, Zaleski J., Jakubas Ryszard, Bator Grażyna , Ciunik Zbigniew
Structure, phase transition and molecular motions in (C₅H₅NH)BiCl₄.
Physical Chemistry Chemical Physics, 2001, 3, 3222-3228
IF: 1.787

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160. Bator Grażyna , Jakubas Ryszard, Baran Jan
Vibrational study of the structural phase transitions in the (CH₃ND₃)₃Sb₂Br9 (d-MABA) crystals by infrared spectroscopy.
Vibrational Spectroscopy, 2001, 25, 101-113
IF: 1.167

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161. Bator Grażyna , Jakubas Ryszard, Zaleski J., Mróz J.
Crystal structure and dielectric relaxation studies of the [N(CH₃)₃H]₃Sb_2(1-x)Bi_2xCl₉ mixed crystals.
Journal of Applied Physics, 2000, 88, 1015-1023
IF: 2.18

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162. Jóźków Jolanta, Jakubas Ryszard, Bator Grażyna , Zaleski J., Decressain R.
Crystal structure, dielectric properties and molecular motions in (i-C₄H₉NH₃)₃Bi₂Br₉.
Journal of Physics and Chemistry of Solids, 2000, 61, 887-897
IF: 1.003

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163. Zdanowska-Frączek M., Lewicki S., Jakubas Ryszard, Wąsicki J.
Effect of hydrostatic pressure on N(CH₃)₄⁺ cation motion in ferroelectric N(CH₃)₄H(Cl₃CCOO)₂.
Solid State Nuclear Magnetic Resonance, 2000, 16, 161-164
IF: 1.462

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164. Jóźków Jolanta, Jakubas Ryszard, Baran Jan
Infrared investigation of the order-disorder phase transitions in (C₅H₅NH)₆Bi₄Cl₁₈.
Journal of Molecular Structure, 2000, 555, 273-279
IF: 0.849

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165. Czupiński Olaf, Bator Grażyna , Jakubas Ryszard
Infrared studies on structural phase transition in [N(CH₃)₄]₃Bi₂Br₉.
Spectroscopy Letters, 2000, 33, 269-282
IF: 0.427

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166. Grottel M., Pająk Z., Jakubas Ryszard
NMR study of cation motions in ferroic [C(NH₂)₃]₃Bi₂Br₉.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 2000, 55a, 570-574
IF: 0.638

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167. Bednarska-Bolek Beata, Zaleski J., Bator Grażyna , Jakubas Ryszard
On structural phase transitions in piperidinium halogenoantimonates(III) and bismuthates(III): X-ray, calorimetric, dilatometric, dielectric and Raman studies.
Journal of Physics and Chemistry of Solids, 2000, 61, 1249-1261
IF: 1.003

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168. Bednarska-Bolek Beata, Zaleski J., Jakubas Ryszard, Bator Grażyna
On structural phase transitions in the (C₅H₁₂N)₂SbCl₅ crystals.
Journal of Molecular Structure, 2000, 553, 175-186
IF: 0.849

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169. Ratajczak Henryk, Debrus S., Jakubas Ryszard, Baran Jan
Second harmonic generation properties of [CH₃NH₃]₅Bi₂Br₁₁ ferroelectric crystal.
Bulletin of the Polish Academy of Sciences. Chemistry, 2000, 48, 193-194
IF: 0.386

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170. Zaleski J., Pawlaczyk Czesław, Jakubas Ryszard, Unruh H. G.
Structure and dynamic dielectric behaviour of ferroelectric [NH₂(CH₃)₂]₃Sb₂Br₉ (DMABA).
Journal of Physics-Condensed Matter, 2000, 12, 7509-7521
IF: 1.608

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171. Bednarska-Bolek Beata, Pietraszko Adam, Jakubas Ryszard, Bator Grażyna , Kosturek Bogdan
Structure and phase transition in the (C₅H₁₀NH₂)SbCl₆·(C₅H₁₀NH₂)Cl crystal.
Journal of Physics-Condensed Matter, 2000, 12, 1143-1159
IF: 1.608

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172. Góśniowska Małgorzata, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard, Baran Jan
Structure and phase transitions in tetramethylammonium tetrabromoindate(III) and tetraethylammonium tetrabromoindate(III) crystals.
Journal of Molecular Structure, 2000, 555, 243-255
IF: 0.849

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173. Pawlaczyk Czesław, Jakubas Ryszard
Two relaxators dielectric behaviour of ammonium hydrogen bis-chloroacetate near the ferroelectric phase transition.
Solid State Communications, 2000, 113, 251-255
IF: 1.271

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174. Mróz B., Andrews T., Clouter M. J., Jakubas Ryszard
Brillouin scattering studies of ferroic [NH₂(CH₃) ₂] ₃Sb₂Cl₉ (DMACA).
Journal of Physics-Condensed Matter, 1999, 11 , 905-912
IF: 1.639

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175. Carpentier P., Lefebvre J., Jakubas Ryszard, Zając Wojciech, Zieliński Piotr
Lattice mediated interactions and ferroelectric anomalies in the crystal (CH₃NH₃) ₅Bi₂Cl₁₁ (PMACB).
Phase Transitions, 1999, 67, 571-586
IF: 0.622

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176. Medycki Wojciech, Jakubas Ryszard
NMR determination of dynamics parameters of CH₃ groups in P(CH₃) ₄SbCl₆.
Solid State Nuclear Magnetic Resonance, 1999, 15, 73-77
IF: 1.354

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177. Grottel M., Jakubas Ryszard
NMR study of the pyridinium cation motions in (C₅H₅NH) ₆Bi₄Cl₁₈.
Solid State Communications, 1999, 111, 29-32
IF: 1.428

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178. Jakubas Ryszard, Janik J. A., Krawczyk Józef, Mayer J., Natkaniec I., Stanek T., Steinsvoll O., Zając Wojciech
Quasielastic neutron scattering (QNS) study of cation rotation in (CH₃NH₃)₅Bi₂Cl₁₁, (CD₃NH₃)₅ Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Physica B-Condensed Matter, 1999, 271, 309-314
IF: 0.725

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179. Góśniowska Małgorzata, Ciunik Zbigniew, Bator Grażyna , Jakubas Ryszard
Structure and phase transitions in tetramethylammonium pentachloroindate(III) crystals.
Journal of Molecular Structure, 1999, 511-512, 345-354
IF: 0.868

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180. Jakubas Ryszard, Zaleski J., Kosturek Bogdan, Bator Grażyna
Structure and phase transitions in the ferroelastic [C(NH₂) ₃] ₃Bi₂Br₉ crystal.
Journal of Physics-Condensed Matter, 1999, 11, 4731-4746
IF: 1.639

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181. Matyjasek K., Jakubas Ryszard
Temperature dependence of the domain switching of (CH₃NH₃) ₅Bi₂Br₁₁ crystals.
Ferroelectrics, 1999, 227, 77-85
IF: 0.533

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182. Baran Jan, Bator Grażyna , Drozd M. K., Ilczyszyn Maria M., Jakubas Ryszard, Marchewka Mariusz K., Ratajczak Henryk
Vibrational, DSC and dielectric studies of Cs_1.5Li_1.5H(SO₄)₂ crystal.
Journal of Molecular Structure, 1999, 511-512, 1-18
IF: 0.868

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183. Zdanowska-Frączek M., Grottel M., Jakubas Ryszard
³⁵Cl NQR and ¹H NMR studies of molecular motions in guanidinium salt of chloroacetic acid.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1998, 53a, 484-487
IF: 0.594

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184. Mróz B., Tuszyński J. A., Kiefte H., Clouter M. J., Jakubas Ryszard, Sept D.
Brilllouin-scattering studies of ferroelectric [CH₃NH₃]₅Bi₂Cl₁₁.
Physical Review B, 1998, 58, 14261-14269
IF: 2.842

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185. Mróz B., Tylczyński Z., Jakubas Ryszard, Kiefte H., Clouter M. J.
Brillouin scattering studies of ferroelectric (CH₃NH₃)₅Bi₂Br₁₁.
Journal of the Korean Physical Society, 1998, 32, 610-612
IF: 0.441

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186. Bator Grażyna , Jakubas Ryszard, Majerz Irena
Infrared studies on the structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅ and (n-C₃H₇NH₃)₃Sb₂Cl₉.
Polish Journal of Chemistry, 1998, 72, 314-24
IF: 0.508

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187. Jakubas Ryszard, Janik J. A., Krawczyk Józef, Mayer J., Stanek T., Steinsvoll O.
Neutron quasielastic scattering by (CH₃NH₃)₅Bi₂Cl₁₁.
Physica B-Condensed Matter, 1998, 241-243, 481-483
IF: 0.619

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188. Jóźków Jolanta, Bator Grażyna , Jakubas Ryszard, Baran Jan
On structural phase transition in (i-C₄H₉NH₃)₃Bi₂Br₉: differential scanning calorimetry, dielectric and infrared studies.
Journal of Molecular Structure, 1998, 450, 247-257
IF: 0.807

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189. Pawlaczyk Czesław, Jakubas Ryszard, Unruh H. G.
On the dynamic dielectric behaviour of (CH₃NH₃)₃Sb₂I₉ (MAIA) single crystals.
Solid State Communications, 1998, 108, 247-250
IF: 1.297

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190. Jakubas Ryszard, Jóźków Jolanta, Bator Grażyna
Phase transitions in [C₅H₅NH]₆Bi₄Cl₁₈ crystals.
Journal of the Korean Physical Society, 1998, 32, 302-304
IF: 0.441

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191. Ciąpała Paweł, Jakubas Ryszard, Bator Grażyna , Pietraszko Adam, Kosturek Bogdan
Phase transitions in ferroelastic [P(CH₃)₄]SbCl₆ crystal.
Journal of Physics-Condensed Matter, 1998, 10, 5439-5447
IF: 1.645

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192. Decressain R., Jakubas Ryszard, Bator Grażyna , Zaleski J., Lefebvre J., Kusz Joachim
Phase transitions in halogenoantimonates(V) crystals ; [N(CH₃)₄]SbCl₆ and [N(C₂H₅)₄]SbCl₆.
Journal of Physics and Chemistry of Solids, 1998, 59, 1487-1498
IF: 0.909

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193. Bator Grażyna , Jakubas Ryszard, Lefebvre J., Guinet Y.
Raman studies of ferroelectric phase transition in [NH₂(CH₃)]₃Sb₂Cl₉(DMACA).
Vibrational Spectroscopy, 1998, 18, 203-210
IF: 1.014

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194. Bator Grażyna , Baran Jan, Jakubas Ryszard, Karbowiak Mirosław
Raman studies of structural phase transition in Cs₃Bi₂Br₉. .
Vibrational Spectroscopy, 1998, 16, 11-20
IF: 1.014

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195. Jakubas Ryszard, Ciąpała Paweł, Pietraszko Adam, Zaleski J., Kusz Joachim
Structure and phase transitions in the [C(NH₂)₃]SbCl₆ crystals.
Journal of Physics and Chemistry of Solids, 1998, 59, 1309-1319
IF: 0.909

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196. Bator Grażyna , Baran Jan, Jakubas Ryszard, Sobczyk Lucjan
The structure and vibrational spectra of some ferroelectric and ferroelastic alkylammonium halogenoantimonates(III) and bismuthates(III). .
Journal of Molecular Structure, 1998, 450, 89-100
IF: 0.807

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197. Tritt-Goc J., Piślewski N., Goc R., Piślewska H., Jakubas Ryszard
A nuclear magnetic resonance study of molecular motion in solid tris (n-propylammonium) enneachlorodiantimonate (III) (n-C₃H₇NH₃)₃SbCl₉.
Solid State Nuclear Magnetic Resonance, 1997, 10, 73-78
IF: 1.37

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198. Jakubas Ryszard, Bator Grażyna , Góśniowska Małgorzata, Ciunik Zbigniew, Baran Jan, Lefebvre J.
Crystal structure and phase transition of [(CH₃)₂NH₂]GaCl₄.
Journal of Physics and Chemistry of Solids, 1997, 58, 989-998
IF: 1.083

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199. Bator Grażyna , Mróz J., Jakubas Ryszard
Dielectric and ferroelectric properties of the mixed crystals system (CH₃NH₃)₅Bi_2(1-x)Sb_2xCl₁₁.
Physica B-Condensed Matter, 1997, 240, 362-371
IF: 0.991

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200. Baran Jan, Śledź M., Jakubas Ryszard, Bator Grażyna
Ferroelectric phase transition in deuterated glycinium phosphite crystals.
Physical Review B, 1997, 55, 169-172
IF: 2.88

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201. Matyjasek K., Jakubas Ryszard
Influence of the internal bias field on the movement of the domain walls in (CH₃NH₃)₅Bi₂Cl₁₁ crystals.
Ferroelectrics, 1997, 190, 25-30

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202. Tritt-Goc J., Piślewski N., Goc R., Piślewska H., Jakubas Ryszard
Molecular motion in solid[(CH₃)₂CHNH₃]₂BiBr₅ and [(CH₃)₂CHNH₃]₂SbBr₅ as studied by proton nuclear magnetic resonance.
Molecular Physics, 1997, 92, 687-692
IF: 1.7

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203. Ciąpała Paweł, Jakubas Ryszard, Bator Grażyna , Zaleski J., Pietraszko Adam, Drozd M. K., Baran Jan
On structural phase transition in n-butylammonium chloroantimonate(III) and chlorobismuthate(III) crystals: X-ray, differential scanning calorimetry, dilatometric and dielectric dispersion studies.
Journal of Physics-Condensed Matter, 1997, 9, 627-645
IF: 1.479

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204. Jakubas Ryszard, Jóźków Jolanta, Bator Grażyna , Zaleski J., Baran Jan, François P.
Phase transitions in i-butylammonium halogenoantimonate(III) and bismuthate(III) crystals.
Journal of Molecular Structure, 1997, 436-437, 315-325
IF: 0.884

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205. Carpentier P., Zieliński Piotr, Lefebvre J., Jakubas Ryszard
Phenomenological analysis of the phase transitions sequence in the ferroelectric crystal (CH₃NH₃)₅Bi₂Cl₁₁ (PMACB).
Zeitschrift für Physik B: Condensed Matter, 1997, 102, 403-414
IF: 1.591

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206. Zdanowska-Frączek M., Medycki Wojciech, Jakubas Ryszard, Piślewski N.
Proton magnetic resonance study of N(CH₃)₄⁺ cation motion in ferroelectric N(CH₃)₄H(Cl₃CCOO)₂.
Physica Status Solidi B-Basic Research, 1997, 199, 213-216
IF: 0.826

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207. Sobczyk Lucjan, Jakubas Ryszard, Zaleski J.
Self-assembly of Sb(III) and Bi(III) halo-coordinated octahedra in salts of organic cations. Structure, properties and phase transitions.
Polish Journal of Chemistry, 1997, 71, 265-300
IF: 0.468

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208. Mróz J., Jakubas Ryszard
Dielectric and ferroelectric properties of the mixed crystals system (C₃NH₃)₅Bi₂Cl_11(1-x)Br_11x.
Ferroelectrics, 1996, 189, 173-179

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209. Baran Jan, Bator Grażyna , Jakubas Ryszard, Śledź M.
Dielectric dispersion and vibrational studies of a new ferroelectric, glycinium phosphite crystal.
Journal of Physics-Condensed Matter, 1996, 8, 10647-10658
IF: 1.487

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210. Jakubas Ryszard, Bator Grażyna , Medycki Wojciech, Piślewski N., Decressain R., Lefebvre J., François P.
Dilatometric, dielectric and NMR studies of structural phase transitions of the (CH₃NH₃)₃Bi₂Cl₉ (MACB) crystals.
Journal of Molecular Structure, 1996, 385, 145-151
IF: 0.867

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211. Ciąpała Paweł, Bator Grażyna , Jakubas Ryszard, Baran Jan
Infrared studies on structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅.
Ferroelectrics, 1996, 185, 193-196

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212. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Molecular motions and phase transitions in solid tris(n-propylammonium) hexabromobismuthate(III).
Physica Status Solidi B-Basic Research, 1996, 193, 341-346
IF: 0.862

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213. Mielcarek S., Biskupski P., Tylczyński Z., Mróz B., Jakubas Ryszard
Piezoelectric properties of MAPCB crystals.
Physica Status Solidi A-Applications and Materials Science, 1996, 158, 427-432
IF: 0.547

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214. Medycki Wojciech, Piślewski N., Jakubas Ryszard
Proton NMR study of molecular dynamics and phase transitions in [NH₂(CH₃)₂]₃Sb₂Cl₉.
Ferroelectrics, 1996, 185, 205-208

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215. Jakubas Ryszard, Ciąpała Paweł, Bator Grażyna , Ciunik Zbigniew, Decressain R., Lefebvre J., Baran Jan
Structural phase transitions in (n-C₃H₇NH₃)₂BiBr₅ and (n-C₃H₇NH₃)₃BiBr₆.
Physica B-Condensed Matter, 1996, 217, 67-77
IF: 0.864

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216. Jakubas Ryszard, Bator Grażyna , Zaleski J., Pietraszko Adam, Decressain R.
The structure and phase transition of (CH₃NH₃)₃Sb_2(1-x)Bi_2xCl₉ mixed crystals.
Journal of Physics-Condensed Matter, 1996, 8, 367-381
IF: 1.487

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217. Ciąpała Paweł, Zaleski J., Bator Grażyna , Jakubas Ryszard, Pietraszko Adam
The structure and phase transition of tris(n-propylammonium) enneachloro-diantimonate (III), (n-C₃H₇NH₃)₃Sb₂Cl₉.
Journal of Physics-Condensed Matter, 1996, 8, 1957-1970
IF: 1.487

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218. Jakubas Ryszard, Bator Grażyna , Ciąpała Paweł, Zaleski J., Baran Jan, Lefebvre J.
Calorimetric, dielectric, infrared spectra and thermal expansion studies of structural phase transitions in [(CH₃)₂CHNH₃]₂MX₅ (M=Sb, Bi; X=Cl, Br) crystals.
Journal of Physics-Condensed Matter, 1995, 7, 5335-5350
IF: 1.39

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219. Orzechowski Kazimierz, Bator Grażyna , Jakubas Ryszard
Comparison studies of the influence of an electric field on permittivity close to ferroelectric-paraelectric phase transition in TGS, DMACA and DMABA crystals.
Ferroelectrics, 1995, 166, 139-148

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220. Jakubas Ryszard, Bator Grażyna , Mróz J.
Dielectric and pyroelectric studies on [N(CH₃)₄]₃Bi₂X₉ (X= Cl, Br).
Acta Physica Polonica A, 1995, 87, 663-669
IF: 0.364

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221. Bator Grażyna , Jakubas Ryszard
Dielectric dispersion in ferroelectrics [NH₂(CH₃)₂]₃Sb₂Cl₉ and [NH₂(CH₃)₂]₃Sb₂Br₉.
Physica Status Solidi A-Applications and Materials Science, 1995, 147, 591-600
IF: 0.558

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222. Zaleski J., Bator Grażyna , Jakubas Ryszard
Dielectric properties and characterisation of the superionic phase of [C(NH₂)₃]₂SbCl₅· [C(CH₂)₃]Cl (GHCA).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1995, 50a, 888-892
IF: 0.554

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223. Zaleski J., Medycki Wojciech, Piślewski N., Jakubas Ryszard
DSC, dilatometric, dielectric and ¹H NMR studies of phase transition and molecular motions in [N(C₂H₅)₄]₃M₂Cl₉ (M = Sb, Bi) crystals.
Physica Status Solidi B-Basic Research, 1995, 190, 199-210
IF: 0.583

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224. Miniewicz Andrzej, Żuk W., Jakubas Ryszard
Electro-optic coefficients of ferroelectric PMACB and PMABB crystals.
Ferroelectrics, 1995, 165, 241-248

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225. Mróz J., Pykacz H., Jakubas Ryszard
Influence of defects on dielectric properties of (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br) crystals.
Acta Physica Polonica A, 1995, 88, 369-374
IF: 0.364

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226. Bator Grażyna , Jakubas Ryszard, Baran Jan, Ratajczak Henryk
Infrared studies of structural phase transitions in (NH₃CH₃)₃Sb₂I₉.
Vibrational Spectroscopy, 1995, 8, 425-433
IF: 1.138

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227. Piślewski N., Tritt-Goc J., Goc R., Jakubas Ryszard
Molecular motions in solid [N(CH₃)₂H₂]₃Sb₂I₉ studied by proton nuclear magnetic resonance spectroscopy.
Solid State Nuclear Magnetic Resonance, 1995, 4, 101-104
IF: 2.143

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228. Decressain R., Jakubas Ryszard, Lefebvre J.
NMR and dilatometric studies on (CH₃NH₃)₃Sb₂Cl₉ crystals.
Physica Status Solidi A-Applications and Materials Science, 1995, 147, 73-78
IF: 0.558

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229. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Nuclear magnetic resonance proton dynamics study of [N(CH₃)₂H₂]₃Bi₂I₉ at low temperature.
Solid State Nuclear Magnetic Resonance, 1995, 4, 323-325
IF: 2.143

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230. Matyjasek K., Jakubas Ryszard
Nucleation of domains in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Ferroelectrics, 1995, 172, 201-205

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231. Jakubas Ryszard, Mróz J., François P., Lefebvre J.
Pyroelectric and dilatometric studies on [NH₂(CH₃)₂]₃Sb₂X₉ (X = Cl, Br).
Ferroelectrics, 1995, 173, 221-231

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232. Carpentier P., Lefebvre J., Jakubas Ryszard
Structure of pentakis (methylammonium) undecachlorodibismuthate(III), [(NH₃(CH₃)]₅Bi₂Cl₁₁ at 130 K and mechanism of the phase transitions.
Acta Crystallographica Section B: Structural Science Crystal Engineering and Materials, 1995, B51, 167-174
IF: 1.339

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233. Zaleski J., Medycki Wojciech, Piślewski N., Jakubas Ryszard
¹H NMR, DSC, dielectric and dilatometric studies of phase transitions and molecular dynamics in N(C₂H₅)₄SbCl₄.
Physica Status Solidi A-Applications and Materials Science, 1994, 144, 81-89
IF: 0.596

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234. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of (CH₃NH₃)₃Me₂Br₉ (Me= Sb,Bi) crystals in the ferroelectric phase transition regions.
Ferroelectrics, 1994, 158, 43-48

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235. Zaleski J., Jakubas Ryszard, Bator Grażyna , Baran Jan
Dielectric dispersion, dilatometric and infrared studies of tris(guanidinium) enneachlorodiantimonate(III) ([C(HN₂)₃]₃Sb₂Cl₉).
Journal of Molecular Structure, 1994, 325, 95-103
IF: 0.837

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236. Matyjasek K., Jakubas Ryszard
Dynamics of domains in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Acta Physica Polonica A, 1994, A85, 835-841
IF: 0.346

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237. Mróz J., Jakubas Ryszard
Ferroelectric and ferroelastic phase transitions in (CH₃NH₃)₃Sb₂Br₉ crystals.
Ferroelectrics. Letters Sections, 1994, 17, 73-78
IF: 0.318

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238. Bator Grażyna , Jakubas Ryszard, Baran Jan, Sobczyk Lucjan
Infrared studies of ferroelectric phase transition in [NH₂(CH₃)₂]₃Sb₂Br₉.
Ferroelectrics, 1994, 152, 267-272

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239. Bator Grażyna , Jakubas Ryszard, Baran Jan, Ratajczak Henryk
Infrared studies of structural phase transitions in (CH₃NH₃)₃Bi₂I₉ (MAIB).
Journal of Molecular Structure, 1994, 325, 45-51
IF: 0.837

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240. Bator Grażyna , Baran Jan, Jakubas Ryszard, Ratajczak Henryk
Infrared studies on structural phase transitions in [NH₂(CH₃)₂]₃Sb₂Br₉ and [NH₂(CH₃)₂]₃Sb₂I_9.
Vibrational Spectroscopy, 1994, 6, 193-204
IF: 1.098

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241. Jakubas Ryszard, Bator Grażyna , Sobczyk Lucjan, Zaleski J., Decressain R., Lefebvre J.
Molecular dynamics and phase transitions in tris(dimethylammonium) enneaiododibismuthate(III) as studied by DSC, dilatometric, IR, ¹H NMR and dielectric methods.
Phase Transitions, 1994, 46, 258-267
IF: 0.425

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242. Piślewski N., Tritt-Goc J., Jakubas Ryszard
Molecular motions and phase transitions in solid bis-n-propylammonium pentabromoantimonate.
Solid State Nuclear Magnetic Resonance, 1994, 3, 293-297

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243. Decressain R., Cochon E., Lefebvre J., Meurer B., Jakubas Ryszard
Molecular motions in solid (CH₃NH₃)₅Bi₂Cl₁₁ as studied by proton nuclear magnetic resonance.
Journal of Physics and Chemistry of Solids, 1994, 55, 139-144
IF: 1.35

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244. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard, Lingard R., Arzt S., Fitzmaurice A.
Optical properties of PMACB and PMABB crystals.
Ferroelectrics, 1994, 152, 367-372

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245. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C., Girard A.
Raman scattering in ferroelectric (CH₃NH₃)₃Bi₂Br₉ single crystals.
Journal of Raman Spectroscopy, 1994, 25, 371-375
IF: 0.957

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246. Ramos S., Del Cerro J., Pawłowski A., Jakubas Ryszard
Specific heat and pyroelectric coefficient behaviour of (CH₃NH₃)₅Bi₂Cl₁₁ ferroelectric crystal.
Ferroelectrics, 1994, 159, 173-178

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247. Zaleski J., Jakubas Ryszard
The dielectric and dilatometric single crystal studies of phase transitions in a new member of family of halogenoantimonates(III) [C(NH₂)₃]₂SbCl₅·[C(NH₂)₃]Cl.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1994, 49A, 709-713
IF: 0.63

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248. Jakubas Ryszard, François P., Lefebvre J.
Thermal expansion of (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br ) crystals in the temperature range from 80 to 300 K.
Acta Physica Polonica A, 1994, A85, 579-583
IF: 0.346

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249. Pavel M., Fousková A., Jakubas Ryszard, Miniewicz Andrzej
Brillouin scattering study of elastic properties in ferroelectric (CH₃NH₃)₅Bi₂Br₁₁ crystal.
Ferroelectrics, 1993, 146, 37-43

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250. Jakubas Ryszard, Bator Grażyna , Mróz J.
Dielectric and pyroelectric properties of (CH₃NH₃)₃Bi₂Br₉ crystals in the ferroelectric phase transition region.
Ferroelectrics, 1993, 146, 65-71

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251. Bator Grażyna , Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Dielectric and pyroelectric properties of [N(CH₃)₃H]₃Sb₂Cl₉ in the low temperature region.
Ferroelectrics, 1993, 141, 177-187

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252. Marqueton Y., Miniewicz Andrzej, Jakubas Ryszard
Far-infrared reflectivity spectra of two ferroelectric crystals (CH₃NH₃)₅Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1993, 145, 109-118

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253. Jakubas Ryszard, Galewski Zbigniew, Matuszewski J., Lefebvre J.
Investigations of structural phase transitions in [N(CH₃)₄]₃Bi₂X₉ (X = Cl, Br) and [N(CH₃)₂H₂]₃Sb₂I₉.
Physica Status Solidi A-Applications and Materials Science, 1993, 136, 19-23
IF: 0.573

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254. Medycki Wojciech, Piślewski N., Jakubas Ryszard
Molecular dynamics of the methylammonium cation in [CH₃NH₃]₅Bi₂Cl₁₁.
Solid State Nuclear Magnetic Resonance, 1993, 2, 197-200

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255. Medycki Wojciech, Jakubas Ryszard, Piślewski N., Lefebvre J.
NMR and dilatometric studies on [N(CH₃)₄]₃M₂X₉ (M=Sb, Bi; X=Cl, Br).
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1993, 48A, 748-752
IF: 0.582

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256. Pykacz H., Mróz J., Jakubas Ryszard
Phase transitions in (CH₃NH₃)₅Bi₂X₁₁ (X = Cl, Br) crystals.
Acta Physica Polonica A, 1993, 84, 1085-1091
IF: 0.333

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257. Jakubas Ryszard, Bator Grażyna , Foulon M., Lefebvre J., Matuszewski J.
Structural phase transitions in (n-C₃H₇NH₃)₂SbBr₅.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1993, 48A, 529-534
IF: 0.582

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258. Jakubas Ryszard, Bator Grażyna , Baran Jan
Vibrational study of the structural phase transitions for the (CH₃NH₃)₃Sb₂Br₉ (MABA) and (CH₃NH₃)₃Bi₂Br₉ (MABB) crystals by infrared spectroscopy.
Journal of Physics and Chemistry of Solids, 1993, 54, 1065-1072
IF: 1.473

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259. Urban S., Zając Wojciech, Jakubas Ryszard, Carlile C. J., Gabryś Beata
A quasielastic neutron scattering study of molecular reorientation in [(CH₃)₃NH]₃[Sb₂Cl₉](TMACA).
Physica B-Condensed Matter, 1992, 180-181, 1050-1052
IF: 0.939

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260. Miniewicz Andrzej, Sworakowski J., Bertault M., Jakubas Ryszard
Calorimetric study of the phase transitions in tris(dimethylammonium)nonabromodiantimonate(III) and tris(dimethylammonium)nonachlorodiantimonate(III).
Ferroelectrics, 1992, 125, 39-44
IF: 0.773

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261. Pawełczak K., Jakubas Ryszard, Planta Klaus, Bruch Christian, Unruh H. G.
Dielectric dispersions in pentakis methyl ammonium bismuthate single crystals: II. (CH₃NH₃)₅Bi₂Cl₁₁.
Journal of Physics-Condensed Matter, 1992, 4, 2695-2700
IF: 1.627

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262. Pawlaczyk Czesław, Jakubas Ryszard, Planta Klaus, Bruch Christian, Stephan J., Unruh H. G.
Dynamic dielectric behaviour of (CH₃NH₃)₅Bi₂X₁₁ (X:Br, Cl) single crystals.
Ferroelectrics, 1992, 126, 145-150
IF: 0.773

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263. Mróz J., Poprawski R., Jakubas Ryszard
Effect of hydrostatic pressure on the ferroelectric phase transition in (CH₃NH₃)₅Bi₂Cl₁₁crystals.
Polish Journal of Chemistry, 1992, 66, 827-833

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264. Marqueton Y., Miniewicz Andrzej, Jakubas Ryszard
Far-infrared reflectivity and Raman study in the ferroelectric-ferroelastic crystal of tris(dimethylammonium) nonabromodiantimonate.
Journal of Raman Spectroscopy, 1992, 23, 347-356
IF: 1.043

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265. Bator Grażyna , Jakubas Ryszard, Majerz Irena, Malarski Zbigniew
Infrared studies of structural phase transitions in [NH₂(CH₃)₂]₃SbBr₆.
Journal of Molecular Structure, 1992, 274, 1-8
IF: 0.943

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266. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Linear birefringence changes in DMACA and TMACA crystals in the phase transitions regions.
Ferroelectrics, 1992, 126, 91-96
IF: 0.773

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267. Kozioł P., Furukawa Yoshihiro, Nakamura Daiyu, Jakubas Ryszard
Motions of methylammonium ions in (CH₃NH₃)₃Sb₂I₉ crystals studied by ¹H NMR.
Bulletin of the Chemical Society of Japan, 1992, 65, 1707-1709
IF: 0.876

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268. Jakubas Ryszard, Decressain R., Lefebvre J.
NMR and dilatomeric studies of the structural phase transitions of (CH₃NH₃)₃Sb₂I₉ and (CH₃NH₃)₃Bi₂I₉ crystal.
Journal of Physics and Chemistry of Solids, 1992, 53, 755-759
IF: 1.255

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269. Krzewska Urszula, Jakubas Ryszard, Dacko Sławomir, Czapla Zbigniew, Waśkowska A.
Phase transitions in (CH₃)₂CHNH₃CdCl₃ crystal.
Acta Physica Polonica A, 1992, 81, 379-384
IF: 0.222

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270. Połomska M., Jakubas Ryszard
Polarization reversal studies of ferroelectric [CH₃)₃NH]₃Sb₂Cl₉ single crystals.
Ferroelectrics, 1992, 126, 359-363
IF: 0.773

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271. Orzechowski Kazimierz, Bator Grażyna , Jakubas Ryszard
Preliminary studies of the influence of an electric field on permittivity close to the ferroelectric-paraelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁ crystal.
Chemical Physics Letters, 1992, 199, 325-328
IF: 2.686

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272. Carpentier P., Lefebvre J., Jakubas Ryszard
Raman studies of the ferroelectric phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ (MAPCB): I. The Internal vibrations of the methylammonium cation.
Journal of Physics-Condensed Matter, 1992, 4, 2985-2999
IF: 1.627

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273. Carpentier P., Lefebvre J., Jakubas Ryszard
Raman studies of the internal modes in ferroelectric crystal (CH₃NH₃)₅Bi₂Cl₁₁ (MAPCB).
Ferroelectrics, 1992, 125, 401-406
IF: 0.773

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274. Pawłowski A., Jakubas Ryszard, Ramos S., Del Cerro J.
Specific heat behaviour of (CH₃NH₃)₅Bi₂Br₁₁ near its ferroelectric transition.
Ferroelectrics, 1992, 125, 29-32
IF: 0.773

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275. Pykacz H., Mróz J., Jakubas Ryszard
The internal bias field of ferroelectric (CH₃NH₃)₅Bi₂Br₁₁.
Acta Physica Polonica A, 1992, 81, 667-673
IF: 0.222

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276. Pykacz H., Jakubas Ryszard
Dilatometric study of the phase transition in (CH₃NH₃)₅Bi₂Cl₁₁.
Acta Physica Polonica A, 1991, 79, 695-697
IF: 0.343

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277. Mróz J., Jakubas Ryszard
Investigation of phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ crystals by pyroelectric method.
Ferroelectrics, 1991, 118, 29-33
IF: 0.463

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278. Miniewicz Andrzej, Jakubas Ryszard
Linear electro-optic effect in a ferroelectric crystal of (CH₃NH₃)₅Bi₂Cl₁₁ (PMACB).
Journal of Molecular Electronics, 1991, 7, 55-62
IF: 1.35

Zobacz w repozytorium

279. Miniewicz Andrzej, Jakubas Ryszard, Zaleski J.
Measurements of pyroelectric properties in [(C₂H₅)₄N]₃Sb₂Br₉.
Ferroelectrics, 1991, 118, 23-28
IF: 0.463

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280. Baran Jan, Ilczyszyn Maria M., Jakubas Ryszard, Ratajczak Henryk
Polarized infrared spectra of ammonium hydrogen bis-chloroacetate in the paraelectric phase.
Journal of Molecular Structure, 1991, 246, 1-12
IF: 0.942

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281. Miniewicz Andrzej, Jakubas Ryszard
Pyroelectric properties of a novel uniaxial ferroelectric crystal (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1991, 115, 119-127
IF: 0.463

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282. Miniewicz Andrzej, Lefebvre J., Jakubas Ryszard
Raman studies of structural phase transition in [NH₂(CH₃)₂]₃Sb₂Cl₉ (DMACA).
Journal of Raman Spectroscopy, 1991, 22, 435-443
IF: 0.96

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283. Lefebvre J., Carpentier P., Jakubas Ryszard
Structures and phase transition in the ferroelectric crystal of pentakis(methylammonium) undecachlorodibismuthate(III): {NH₃(CH₃)]₅Bi₂Cl₁₁.
Acta Crystallographica Section B: Structural Science Crystal Engineering and Materials, 1991, B47, 228-234
IF: 1.514

Zobacz w repozytorium

284. Bator Grażyna , Jakubas Ryszard, Malarski Zbigniew
Study of the structural phase transitions of (CH₃NH₃)₃Sb₂Cl₉ (MACA) and (CH₃NH₃)₃Bi₂Cl₉ (MACB) by infrared spectroscopy.
Journal of Molecular Structure, 1991, 246, 193-202
IF: 0.942

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285. Przesławski Janusz, Kosturek Bogdan, Jakubas Ryszard
Temperaturnye izmeneniâ linejnogo dvuprelomleniâ v kristallah MACB.
Izvestiâ Akademii Nauk SSSR. Seriâ Fiziečskaâ, 1991, T. 55, 510-514
IF: 0.166

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286. Lefebvre J., Carpentier P., Jakubas Ryszard, Sobczyk Lucjan
The para-ferroelectric phase transitions in (NH₃(CH₃)₅Bi₂Cl₁₁. (P.M.A.C.B.).
Phase Transitions, 1991, 33, 31-41
IF: 0.721

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287. Cach R., Jakubas Ryszard
Determination of Landau free-energy parameters by dielectric measurements in (CH₃NH₃)₅Bi₂Cl₁₁ crystals.
Ferroelectrics, 1990, 108, 121-126
IF: 0.463

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288. Pawlaczyk Czesław, Motsch H., Jakubas Ryszard, Unruh H. G.
Dielectric behaviour of the new ferroelectric (CH₃NH₃)₅Bi₂Br₁₁ in the microwave region.
Ferroelectrics, 1990, 108, 127-132
IF: 0.463

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289. Mróz J., Poprawski R., Kolarz A., Jakubas Ryszard
Dielectric properties of (CH₃NH₃)₅Bi₂Br₁₁ crystals under hydrostatic pressure.
Solid State Communications, 1990, 76, 821-824
IF: 1.764

Zobacz w repozytorium

290. Połomska M., Jakubas Ryszard
Dynamics of ferroelectric domains in (CH₃NH₃)₅Bi₂Br₁₁ studied by liquid crystal decoration technique.
Ferroelectrics, 1990, 106, 57-62
IF: 0.463

Zobacz w repozytorium

291. Kozioł P., Jakubas Ryszard
Effect of hydrostatic pressure on the phase transitions in (CH₃NH₃)₃ Sb₂Br₉.
Physica Status Solidi A-Applications and Materials Science, 1990, 120, 93-94
IF: 0.414

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292. Kosturek Bogdan, Przesławski Janusz, Jakubas Ryszard
Ferroelastic twins and linear birefringence in DMACA crystal.
Solid State Communications, 1990, 75, 673-676
IF: 1.764

Zobacz w repozytorium

293. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C.
Ferroelasticity of [NH₂(CH₃)₂]₃Sb₂Br₉ (DMABA).
Ferroelectrics, 1990, 106, 249-254
IF: 0.463

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294. Mróz J., Jakubas Ryszard
Ferroelectric phase transitions of (CH₃NH₃)₅Bi₂Cl₁₁.
Ferroelectrics. Letters Sections, 1990, 11, 53-56
IF: 0.542

Zobacz w repozytorium

295. Miniewicz Andrzej, Jakubas Ryszard
Linear electro-optic effect in a ferroelectric crystal: (CH₃NH₃)₅Bi₂Br₁₁.
Journal of Molecular Electronics, 1990, 6, 113-117
IF: 1.35

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296. Medycki Wojciech, Zimpel Z., Piślewski N., Jakubas Ryszard
Molecular dynamics in [N(CH₃)₄]₃Sb₂Cl₉.
Solid State Communications, 1990, 76, 869-871
IF: 1.764

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297. Miniewicz Andrzej, Jakubas Ryszard
On the nature of the low temperature phase transition in (CH₃NH₃)₃Bi₂I₉ studied by pyroelectric method.
Ferroelectrics, 1990, 110, 261-269
IF: 0.463

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298. Bator Grażyna , Jakubas Ryszard, Malarski Zbigniew, Galewski Zbigniew, Matuszewski J., Miniewicz Andrzej
Phase transition in solid 2,2,4,4-tetramethyl-pentan-3-ol (TMP).
Journal of Molecular Structure, 1990, 240, 39-46
IF: 0.942

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299. Jakubas Ryszard, Zaleski J., Sobczyk Lucjan
Phase transitions in (CH₃NH₃)₃Bi₂I₉ (MAIB).
Ferroelectrics, 1990, 108, 109-114
IF: 0.463

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300. Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in alkylammonium halogenoantimonates and bismuthates.
Phase Transitions, 1990, 20, 163-193
IF: 0.721

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301. Galewski Zbigniew, Jakubas Ryszard, Sobczyk Lucjan
Phase transitions in dimethylammonium halogenoantimonates (III).
Acta Physica Polonica A, 1990, A78, 645-650
IF: 0.343

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302. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan, Mróz J.
Properties and structural phase transitions of (CH₃NH₃)₃Sb₂I₉.
Ferroelectrics, 1990, 103, 83-90
IF: 0.463

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303. Mróz J., Czapla Zbigniew, Jakubas Ryszard
Pyroelectric properties, domain structure and ferroelectricity of (CH₃NH₃)₃Bi₂Br₉ single crystals.
Acta Physica Polonica A, 1990, A77, 501-506
IF: 0.343

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304. Miniewicz Andrzej, Lefebvre J., Jakubas Ryszard
Raman scattering in ferroelectric [NH₂(CH₃)₂]₃Sb₂Cl₉ (DMACA).
Ferroelectrics, 1990, 107, 183-188
IF: 0.463

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305. Jakubas Ryszard, Lefebvre J.
Structure and mechanism of ferroelectric phase transitions in (CH₃NH₃)₅Bi₂Cl₁₁ and (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1990, 108, 115-120
IF: 0.463

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306. Matuszewski J., Jakubas Ryszard, Sobczyk Lucjan, Głowiak Tadeusz
Structure of pentakis(methylammonium) undecabromodibismuthate.
Acta Crystallographica Section C: Crystal Structure Communications, 1990, C46, 1385-1388
IF: 0.459

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307. Zaleski J., Jakubas Ryszard, Sobczyk Lucjan
Succesive phase transitions and ferroelasticity of [(CH₃)₂NH₂]₃Bi₂I₉.
Phase Transitions, 1990, 27, 25-36
IF: 0.721

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308. Jakubas Ryszard
A new ferroelectric compound: (CH₃NH₃)₅Bi₂Br₁₁.
Solid State Communications, 1989, 69, 267-269
IF: 2.52

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309. Jakubas Ryszard, Sobczyk Lucjan, Lefebvre J.
A new ferroelectric crystal: (CH₃NH₃)₅Bi₂Cl₁₁.
Ferroelectrics, 1989, 100, 143-149
IF: 1.62

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310. Ecolivet C., Miniewicz Andrzej, Jakubas Ryszard
Brillouin scattering studies of ferroelectric tris(dimethylammonium)nonabromodiantimonate(III).
Solid State Communications, 1989, 71, 143-147
IF: 2.52

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311. Zaleski J., Głowiak Tadeusz, Jakubas Ryszard, Sobczyk Lucjan
Crystal structure and phase transitions of [(C₂H₅)₄N]₆Bi₈Cl₃₀.
Journal of Physics and Chemistry of Solids, 1989, 50, 1265-1269
IF: 0.916

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312. Jakubas Ryszard, Pykacz H.
Dilatometric study of the ferroelectric phase transition in (CH₃NH₃)₅Bi₂Br₁₁.
Physica Status Solidi A-Applications and Materials Science, 1989, 115, 17-18
IF: 0.596

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313. Kozioł P., Jakubas Ryszard
Effect of hydrostatic pressure on the phase transitions in (CH₃NH₃)₃Bi₂Br₉.
Solid State Communications, 1989, 72, 143-145
IF: 2.52

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314. Połomska M., Szcześniak L., Jakubas Ryszard, Meyer K.-P., Blumtritt H.
Ferroelectric domain structure of (CH₃NH₃)₅Bi₂Br₁₁ single crystals.
Ferroelectrics. Letters Sections, 1989, 10, 107-112
IF: 1.141

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315. Mróz J., Jakubas Ryszard
Ferroelectricity in (CH₃NH₃)₅Bi₂Br₁₁ crystals.
Solid State Communications, 1989, 72, 813-816
IF: 2.52

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316. Piekara-Sady L., Jakubas Ryszard, Piślewski N.
Molecular motions in a novel ferroelectric crystal (CH₃NH₃)₅Bi₂Br₁₁ studied by NMR.
Solid State Communications, 1989, 72, 585-587
IF: 2.52

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317. Kosturek Bogdan, Jakubas Ryszard
Optical birefringence of (CH₃NH₃)₅Bi₂Br₁₁.
Physica Status Solidi A-Applications and Materials Science, 1989, 114, 111-113
IF: 0.596

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318. Jakubas Ryszard, Tomaszewski P. E., Sobczyk Lucjan
Phase transition in (CH₃NH₃)₃Bi₂Cl₉.
Physica Status Solidi A-Applications and Materials Science, 1989, 111, 27-29
IF: 0.596

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319. Jakubas Ryszard, Miniewicz Andrzej, Bertault M., Sworakowski J., Collet A.
Phase transitions in ferroelectric nonachlorodiantimonate [(CH₃)₃NH]₃Sb₂Cl₉ studied by calorimetric and dielectric methods.
Journal de Physique, 1989, 50, 1483-1491
IF: 0.924

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320. Miniewicz Andrzej, Jakubas Ryszard, Ecolivet C., Girard A.
Raman scattering in ferroelectric [NH(CH₃)₃]₃Sb₂Cl₉ single crystals.
Journal of Raman Spectroscopy, 1989, 20, 381-389
IF: 0.973

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321. Zaleski J., Jakubas Ryszard, Galewski Zbigniew, Sobczyk Lucjan
Structural phase transitions in [(C₂H₅)₄N]₃Sb₂Br₉ and [(C₂H₅)₄N]₃Bi₂Br₉.
Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences, 1989, 44, 1102-1106
IF: 0.899

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322. Jakubas Ryszard, Sobczyk Lucjan
Structure and properties of a novel ferroelectric crystal: (CH₃NH₃)₅Bi₂Br₁₁.
Ferroelectrics, 1989, 92, 365-368
IF: 1.62

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323. Miniewicz Andrzej, Sworakowski J., Jakubas Ryszard, Bertault M., Ecolivet C.
Studies of phase transitions in new ferroelectric crystal [NH(CH₃)₃]₃Sb₂Cl₉.
Ferroelectrics, 1989, 94, 323-328
IF: 1.62

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