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    Title: Magnetic anisotropic properties of Pd/Co/Pd trilayer films studied by X-ray absorption spectroscopy and magnetic circular dichroism
    Authors: K. Saravanan;C. H. Kao;Y. C. Shao;Y. F. Wang;B. Y. Wang;H. T. Wang;C. J. Tsai;W. C. Lin;C. W. Pao;H. M. Tsai;L. Y. Jang;H. J. Lin;J. F. Lee;W. F. Pong
    Date: 2015-02-06
    Issue Date: 2016-01-06 11:04:20 (UTC+8)
    Abstract: We study the magnetic anisotropic properties of as-grown and annealed Pd/Co/Pd trilayer films based on their atomic and electronic structures using extended X-ray absorption fine structure (EXAFS), X-ray absorption near edge structure (XANES) spectroscopy and magnetic circular dichroism (XMCD) measurements. The annealed film exhibits interesting perpendicular magnetic anisotropy (PMA) whereas the as-grown film exhibits in-plane anisotropy. Cross-sectional transmission electron microscopic analysis together with the Co K-edge EXAFS results confirm the formation of an ordered-alloy CoPd phase in the annealed film, whereas the as-grown film has an hcp Co-like phase. Co L3,2-edge XMCD measurements reveal an enhanced ratio of the Co 3d orbital to spin moments of the annealed film providing evidence of the observed PMA upon annealing.
    Relation: RSC Advances 5(25), pp.19014-19019
    DOI: 10.1039/C4RA15683H
    Appears in Collections:[物理學系暨研究所] 期刊論文

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