Nanosize effect on the oxide ionic conductivity of lanthanum germanite thin films

    研究成果: Contribution to journalArticle査読

    10 被引用数 (Scopus)

    抄録

    Conductivity of La1.61GeO5-δ thin films increased with decreasing film thickness to nanosize or several micrometers. In particular, the evaluation of the conductivity for the films with nanosize thickness at low temperatures was significant. The conductivity of the film was independent of the oxygen partial pressure from 1 to 10-21 atm and the transport number of oxygen ion in the film was near unity, suggesting that the oxygen ionic conductivity was dominant over a wide pO2 range. This effect was induced by the large anisotropy of the oxide ionic conduction and the expansion of the lattice of La1.61GeO5-δ.

    本文言語英語
    ジャーナルElectrochemical and Solid-State Letters
    8
    11
    DOI
    出版ステータス出版済み - 11 21 2005

    All Science Journal Classification (ASJC) codes

    • 化学工学(全般)
    • 材料科学(全般)
    • 物理化学および理論化学
    • 電気化学
    • 電子工学および電気工学

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