FERROELASTIC TRANSITION IN SOME SCHEELITE-TYPE CRYSTALS.

Yoshihiro Ishibashi, Kazuhiro Hara, Akitatsu Sawada

Research output: Contribution to journalArticle

Abstract

The experimental results of the Brillouin scattering in several scheelite-type crystals are briefly reviewed. The high pressure Raman scattering studies of LaNbO//4 and NdNbO//4 crystals were recently carried out and have revealed that the behavior of their lowest frequency optical modes is quite different from the one reported for BiVO//4. A lattice model for the ferroelastic transition from a tetragonal phase is presented and discussed.

Original languageEnglish
Pages (from-to)258-264
Number of pages7
JournalPhysica B+C
Volume150
Issue number1-2
Publication statusPublished - May 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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