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    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/70493

    Title: Microstructure and ordering parameter studies in multilayer [FePt(x)/Os]n films
    Authors: 陳洋元
    Chiang,D. P.;Chen,S. Y.;Yao,Y. D.;Ouyang,H.;Yu,C. C.;Chen,Y. Y.
    Contributors: 應物所
    Date: 2011
    Issue Date: 2014-10-09 15:48:40 (UTC+8)
    Abstract: The microstructure, ordering parameter, and magnetic properties of multilayer [FePt(x)/Os]n films on glass substrate by dc-magnetron sputtering (with x being thickness in nm; Os with a fixed thickness 5 nm; n being the number of layers) have been studied as a function of the annealing temperatures between 300 and 900 C. The grain size of multilayer films can be controlled by annealing temperature and thickness of the FePt layer with Os space layer. The coercivity as a function of the annealing temperature for samples with n ¼ 1 and pure FePt behaves roughly saturated after annealing above 700 C. However, for samples with n > 4 the value of Hc seems still increasing with increasing annealing temperature between 600 and 900 C, and the ordering parameter decreases with increasing the number of Os layers. Our experimental results are reasonably well to describe the effect of strain-assisted transformation.
    Relation: Journal of Applied Physics,109(7),07A732
    Data Type: article
    Appears in Collections:[應用物理研究所 ] 期刊論文

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