Pressure Dependence of Raman Spectra in Low Frequency Region of Ferroelastic NdNbO4

Kazuhiro Hara, Akikatsu Sawada, Yoshihiro Ishibashi

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)

抄録

Pressure dependence (up to ~ 80 Kbar) of optical modes in low frequency region of NdNbO4 was investigated by Raman scattering measurements at room temperature. The Raman spectra of NdNbO4 are found to be quite similar to those of isostructural LaNbO4. With increasing pressure, the overlapped peaks of the lowest frequency in NdNbO4 at atmospheric pressure, which are in the different symmetries each other, split around 30 Kbar. This behavior can be explained by the coupling of the optical mode and the order parameter x6.

本文言語英語
ページ(範囲)2187-2191
ページ数5
ジャーナルjournal of the physical society of japan
56
6
DOI
出版ステータス出版済み - 1 1 1987
外部発表はい

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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