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    National Tsing Hua University Institutional Repository > 工學院  > 材料科學工程學系 > 期刊論文 >  Exchange bias dependence on interface spin alignment in a Ni80Fe20/(Ni,Fe)O thin film


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/62299


    Title: Exchange bias dependence on interface spin alignment in a Ni80Fe20/(Ni,Fe)O thin film
    Authors: Ouyang, H.;Lin, K. -W.;Liu, C. -C.;Lo, Shen-Chuan;Tzeng, Y. -M.;Guo, Z. -Y.;van Lierop, J.
    教師: 歐陽浩
    Date: 2007
    Publisher: American Physical Society
    Relation: PHYSICAL REVIEW LETTERS,American Physical Society,Volume: 98,Issue: 9,Article Number: 097204,Published: MAR 2 2007
    Keywords: BILAYERS
    ANISOTROPY
    MODEL
    Abstract: A Ni80Fe20/(Ni,Fe)O thin film exhibits a positive exchange bias when cooled in a zero field and a negative exchange bias when field cooled. With transmission electron microscopy and electron energy loss spectrometry, the composition and magnetic structure has been ascertained and a distribution of magnetization easy axes about the interface extrapolated. The results indicate that the positive exchange bias is from antiferromagnetic interface moments perpendicular to their ferromagnetic counterparts. With field cooling the alignment is put into a parallel configuration resulting in a negative exchange bias.
    URI: http://www.aps.org/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/62299
    Appears in Collections:[材料科學工程學系] 期刊論文

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