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    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/63549


    Title: Chemical Composition Tuning of the Anomalous Hall Effect in Isoelectronic L10FePd1-xPtx Alloy Films
    Authors: 郭光宇
    Guo, Guang-Yu
    Contributors: 應物所
    Date: 2012.08
    Issue Date: 2014-01-24 12:54:25 (UTC+8)
    Abstract: The anomalous Hall effect (AHE) in alloy films is studied both experimentally and theoretically. We find that the intrinsic contribution () to the AHE can be significantly increased, whereas the extrinsic side-jump contribution () can be continuously reduced from being slightly larger than in FePd to being much smaller than in FePt, by increasing the Pt composition . We show that this chemical composition tuning of the intrinsic contribution is afforded by the stronger spin-orbit coupling strength on the site when the lighter Pd atoms are replaced by the heavier Pt atoms. Our results provide a means of manipulating the competing AHE mechanisms in ferromagnetic alloys for fully understanding the AHE and also for technological applications of ferromagnetic alloys.
    Relation: Physical Review Letters, 109, 066402
    Data Type: article
    DOI 連結: http://link.aps.org/doi/10.1103/PhysRevLett.109.066402
    DOI: 10.1103/PhysRevLett.109.066402
    Appears in Collections:[應用物理研究所 ] 期刊論文

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