Molecular dynamics study of crystals with ferroic phase transitions

Raman spectroscopy as a useful tool to study ferroic phase transitions is presented. Deuterated analogue of β-LiNH 4SO 4 and Rb 3H(SeO 4) 2, representatives of ferroic materials, were chosen for temperature Raman studies. Characteristic changes of external and internal modes of SO 4 and SeO 4 entiti...

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Bibliographic Details
Published in:Journal of molecular structure 2004-10, Vol.704 (1), p.95-100
Main Authors: Połomska, M, Pawłowski, T, Pietraszko, A, Kirpichnikova, L
Format: Article
Language:English
Subjects:
Ferroelastics
Ferroelectrics
Phase transitions
Raman scattering
Rb 3H(SeO 4) 2
β-Li[N(H,D) 4]SO 4
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Summary:Raman spectroscopy as a useful tool to study ferroic phase transitions is presented. Deuterated analogue of β-LiNH 4SO 4 and Rb 3H(SeO 4) 2, representatives of ferroic materials, were chosen for temperature Raman studies. Characteristic changes of external and internal modes of SO 4 and SeO 4 entities were related to the properties typical of ferroelectricity and ferroelasticity present in these materials.
ISSN:0022-2860
1872-8014
DOI:10.1016/j.molstruc.2004.01.051