The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics
The paper considers an example of concrete objects, i.e. ferroelectrics of Sn₂P₂S₆ family, for which, according to general estimations, a correlation between the shape of a phase diagram (the presence of a Lifshitz point and of a tricritical point) and a crossover “displacive to order/disorder” i...
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| Datum: | 2002 |
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| Sprache: | English |
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Інститут фізики конденсованих систем НАН України
2002
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| Schriftenreihe: | Condensed Matter Physics |
| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/120678 |
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| Zitieren: | The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics / Yu. Vysochanskii, A. Drobnich // Condensed Matter Physics. — 2002. — Т. 5, № 4(32). — С. 669-683. — Бібліогр.: 26 назв. — англ. |
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irk-123456789-1206782017-06-13T03:03:41Z The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics Vysochanskii, Yu. Drobnich, A. The paper considers an example of concrete objects, i.e. ferroelectrics of Sn₂P₂S₆ family, for which, according to general estimations, a correlation between the shape of a phase diagram (the presence of a Lifshitz point and of a tricritical point) and a crossover “displacive to order/disorder” is observed. Simulations by means of microscopic models, which most adequately represent a dipole ordering in these crystals, are analyzed. A dimension dependence of a ferroelectric phase transition temperature for microcrystals of Sn₂P₂S₆ compound is considered. В статті досліджена кореляція між особливостями фазової діаграми (наявність на діаграмі точки Ліфшиця та трикритичної точки) та кросовером характеру фазових переходів від типу зміщення до типу лад-безлад на прикладі конкретних об’єктів, а саме сегнетоелектриків родини Sn₂P₂S₆. Аналізуються результати комп’ютерного моделювання з використанням мікроскопічних моделей, що найбільш адекватно відображають дипольне впорядкування в цих кристалах. Розглядається ефект розмірної залежності температури сег-нетоелектричного фазового переходу для мікрокристалів сполуки Sn₂P₂S₆. 2002 Article The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics / Yu. Vysochanskii, A. Drobnich // Condensed Matter Physics. — 2002. — Т. 5, № 4(32). — С. 669-683. — Бібліогр.: 26 назв. — англ. 1607-324X PACS: 64.60.Cn DOI:10.5488/CMP.5.4.669 http://dspace.nbuv.gov.ua/handle/123456789/120678 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
The paper considers an example of concrete objects, i.e. ferroelectrics of
Sn₂P₂S₆ family, for which, according to general estimations, a correlation
between the shape of a phase diagram (the presence of a Lifshitz point
and of a tricritical point) and a crossover “displacive to order/disorder” is
observed. Simulations by means of microscopic models, which most adequately
represent a dipole ordering in these crystals, are analyzed. A dimension
dependence of a ferroelectric phase transition temperature for
microcrystals of Sn₂P₂S₆ compound is considered. |
| format |
Article |
| author |
Vysochanskii, Yu. Drobnich, A. |
| spellingShingle |
Vysochanskii, Yu. Drobnich, A. The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics Condensed Matter Physics |
| author_facet |
Vysochanskii, Yu. Drobnich, A. |
| author_sort |
Vysochanskii, Yu. |
| title |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics |
| title_short |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics |
| title_full |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics |
| title_fullStr |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics |
| title_full_unstemmed |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics |
| title_sort |
phase transitions character and microscopic models for sn₂p₂s(se)₆ ferroelectrics |
| publisher |
Інститут фізики конденсованих систем НАН України |
| publishDate |
2002 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120678 |
| citation_txt |
The phase transitions character and microscopic models for Sn₂P₂S(Se)₆ ferroelectrics / Yu. Vysochanskii, A. Drobnich // Condensed Matter Physics. — 2002. — Т. 5, № 4(32). — С. 669-683. — Бібліогр.: 26 назв. — англ. |
| series |
Condensed Matter Physics |
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2025-07-08T18:22:37Z |
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