文化大學機構典藏 CCUR:Item 987654321/2690
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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/2690


    题名: Induced chemical pressure by O vacancies in (Tb1-xNax)MnO3-y
    作者: Chan, T. S.;Liu, R. S.;Lien, Y. H.;Huang, C. Y.;Hu, S. F.;Chen, J. M.;Lee, J.-F.;Karppinen, M.;Yamauchi, H.
    贡献者: 材料所
    日期: 2007
    上传时间: 2009-11-13 15:10:10 (UTC+8)
    摘要: The crystal structure and magnetic properties of perovskite-related (Tb1-xNax)MnO3-y compounds in the compositional range 0 <= x <= 0.3 are reported. We found that the effective moments decrease with increasing Na content, which is due to weaken the rare-earth interaction and dilute average rare-earth moment in each unit cell. Moreover, a decrease of unit cell volume with Na-doping is also observed resulting from an increase in the oxygen vacancies. The result is supported by the X-ray absorption near-edge structure (XANES) spectra and the closed-ampoule iodometry technique.
    關聯: CHINESE JOURNAL OF PHYSICS Volume: 45 Issue: 2 Pages: 256-262 Part: Part 2
    显示于类别:[化學工程與材料工程學系暨碩士班] 期刊論文

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