Parametric crystal optics of nonmagnetic ferroics
Proceeding from the symmetry principles of crystal physics and thermodynamics we analyze parametrical optical phenomena induced by external fields of different kind and structural phase transitions in ferroelectrics and ferroelastics. Special attention is paid to the phenomena of spatial dispe...
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| Date: | 1998 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Інститут фізики конденсованих систем НАН України
1998
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| Series: | Condensed Matter Physics |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/118936 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Parametric crystal optics of nonmagnetic ferroics / O.G. Vlokh // Condensed Matter Physics. — 1998. — Т. 1, № 2(14). — С. 339-356. — Бібліогр.: 50 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | Proceeding from the symmetry principles of crystal physics and thermodynamics
we analyze parametrical optical phenomena induced by external
fields of different kind and structural phase transitions in ferroelectrics and
ferroelastics. Special attention is paid to the phenomena of spatial dispersion
(electro- and piezogyration). A phenomenological approach to the description
of these phenomena is illustrated by the most expressive experimental
results obtained for the following crystals: KH₂₍₁₋x₎ D₂x PO₄ (KDP,
DKDP), K₂H₂AsO₄ (CDA), RbH₂PO₄ (RDP), Pb₅(Ge₍₁₋x₎ Six)₃ O₁₁,
Pb₃ (PO₄ )₂ , K₂ Cd₂ (SO₄ )₃ , (NH₃ CH₂ COOH)₃H₂ SO₄ (TGS), and
NaKC₄H₄O₆ 4H₂O (RS). Apart from new effects in the crystals of the
A₂BX₄ group with incommensurately modulated structure, in particular,
crystals [N(CH₃)₄]₂ ZnCl₄ , [N(CH₃)₄ ]₂ FeCl₄ , K₂ ZnCl₄ , K₂ ZnCl₄ ,
Co²⁺ are considered. |
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