Ferroelastic domain wall orientations in the (NH₄)₃H(SeO₄)₂ crystal
Experimental and theoretical studies of the ferroelastic domain structure of the (NH₄)₃H(SeO₄)₂ crystal in phases III and IV are performed. Using the refined structural data the orientations of W - and W′-type domain walls, as well as the temperature evolution of the domain structure are inv...
Збережено в:
| Видавець: | Інститут фізики конденсованих систем НАН України |
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| Дата: | 1998 |
| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики конденсованих систем НАН України
1998
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/118937 |
| Теги: |
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| Цитувати: | Ferroelastic domain wall orientations in the (NH₄)₃H(SeO₄)₂ crystal / N. Pavlenko, M. Połomska, B. Hilczer // Condensed Matter Physics. — 1998. — Т. 1, № 2(14). — С. 357-364. — Бібліогр.: 15 назв. — англ. |
Репозиторії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Experimental and theoretical studies of the ferroelastic domain structure of
the (NH₄)₃H(SeO₄)₂ crystal in phases III and IV are performed. Using
the refined structural data the orientations of W - and W′-type domain
walls, as well as the temperature evolution of the domain structure are
investigated. It is shown that in spite of the fact that the room temperature
phase III has a triclinic symmetry with small deviations from monoclinic,
the domain structure in this phase differs strongly from the structure in
the case of a monoclinic symmetry which has been previously accepted in
this temperature range. In the monoclinic phase IV all the W′-type domain
walls lie almost in parallel to the (001)-plane which explains the invisibility of
W′ walls after III-IV phase transition during the observation of the domain
structure in the (001)-plane. |
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