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Brillouin frequency shifts in the ferroelectric phase of NaNO2
Date
2001-10-01
Author
Yurtseven, Hasan Hamit
Aydogdu, A
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study we calculate the Brillouin frequencies for the L-mode [010], [001] and [100] in the ferroelectric phase of NaNO2 (T-C = 163 C) by means of gamma -Gruneisen relations using the thermal expansivity data from the literature. The predicted frequencies are in good agreement with the observed Brillouin frequencies for the modes studied in the ferroelectric phase of NaNO2. This indicates that our method presented here predicts the observed behavior of NaNO2 in the ferroelectric phase.
Subject Keywords
Brillouin frequency shifts
,
Gruneisen relations
,
Ferroelectric phase of NaNO2
URI
https://hdl.handle.net/11511/57916
Journal
JOURNAL OF MOLECULAR STRUCTURE
DOI
https://doi.org/10.1016/s0022-2860(01)00572-5
Collections
Department of Physics, Article