Memory effect, defect density wave, and related microdomain structure in an incommensurate phase of barium sodium niobate

S. Mori, N. Yamamoto, Y. Koyama, Y. Uesu

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

A microstructure causing the memory effect in the incommensurate phase of barium sodium niobate was investigated by means of a transmission electron microscope. A type of microdomain structure, which is constituted of a complicated array of microscopic ferroelastic domains with a modulation along the [100] direction, is found. Because this microdomain structure appears reversibly during the heating and cooling processes, the microdomain structure is directly related to the memory effect.

Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalPhysical Review B
Volume51
Issue number1
DOIs
Publication statusPublished - 1995 Jan 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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