Brillouin frequency shifts in the ferroelectric phase of NaNO2

Date

2001-10-01

Author

Yurtseven, Hasan Hamit
Aydogdu, A

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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

Collections

Department of Physics, Article