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    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/70498

    Title: Exchange bias in spin glass (FeAu)/NiFe thin films
    Authors: 李尚凡
    Yuan,Fu-Te;Lin,Jeng-Kai;Yao,Y. D.;Lee,Shang-Fan
    Contributors: 應物所
    Date: 2010
    Issue Date: 2014-10-09 15:49:33 (UTC+8)
    Abstract: The exchange bias of a ferromagnet in contact with a spin glass is evidenced in the sputter deposited (Fe 9.6 at. % Au)/NiFe bilayers. The biasing field decreases as temperature increases, change the sign after reaching a compensation temperature(To), and are reduced to zero at higher temperatures. Furthermore, To decreases with the decreasing FeAu layer thickness. Likewise, the inverse bias decreases with the increasing maximum field of a hysteresis loop. A spin structure model is suggested to explain our data. The results confirm the robust nature of the inverse bias in spin glass/ferromagnetic structure and reveal distinct physics from conventional antiferromagnetic/ferromagnetic systems.
    Relation: Appl. Phys. Lett,96,162502
    Data Type: article
    Appears in Collections:[應用物理研究所 ] 期刊論文

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