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

S. Mori, N. Yamamoto, Yasumasa 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

    Fingerprint

    Defect density
    niobates
    Barium
    barium
    Sodium
    sodium
    Data storage equipment
    defects
    Electron microscopes
    electron microscopes
    Modulation
    Cooling
    cooling
    modulation
    Heating
    microstructure
    Microstructure
    heating
    sodium niobate
    Direction compound

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Memory effect, defect density wave, and related microdomain structure in an incommensurate phase of barium sodium niobate. / Mori, S.; Yamamoto, N.; Koyama, Yasumasa; Uesu, Y.

    In: Physical Review B, Vol. 51, No. 1, 1995, p. 73-76.

    Research output: Contribution to journalArticle

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