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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27568

Title: Magnetic properties of Co-Fe-Ni films
Authors: S. U. Jen;H. P. Chiang;C. M. Chung;M. N. Kao
Contributors: NTOU:Institute of Optoelectronic Sciences
國立臺灣海洋大學:光電科學研究所
Keywords: Magneto-elastic properties;Magnetization;Thin films
Date: 2001-11
Issue Date: 2011-10-21T02:32:11Z
Publisher: Journal of Magnetism and Magnetic Materials
Abstract: Abstract:A series of Co-rich CoxFeyNiz alloys in both the bulk and the thin-film forms were made. From the X-ray diffraction study, it is found that: (1) when changing from the bulk to the thin-film case, the α–γ phase boundary in the Co–Fe–Ni phase diagram is shifted; (2) the grains in bulk samples are randomly oriented; (3) the grains in the BCC (α phase) films are (1 1 0) textured; (4) the grains in the FCC (γ phase) films are (1 1 1) textured. Then, we find that these structure differences are the main factors to cause different magnetic properties of the two Co–Fe–Ni samples with the same alloy composition, but in different forms, such as the bulk and the thin-film forms, respectively. In this article, magnetic properties discussed include the saturation magnetostriction λs, the saturation magnetization Ms, the coercive force Hc, and the anisotropy field Hk. Besides the structural effect, Ms of the (single-phase) Co–Fe–Ni films is related to the number of valence electrons per atom e/a. In addition, some non-magnetic properties, such as the electrical resistivity ρ and the intrinsic stress S, of those thin-film samples are also studied. PACS 75.80.+q;75.50.−y;75.70.−i
Relation: 236(3), pp.312-319
URI: http://ntour.ntou.edu.tw/handle/987654321/27568
Appears in Collections:[光電科學研究所] 期刊論文

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