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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47187

Title: Magnetostrictive and structural properties of FeCoGa films
Authors: W. C. Chiang
S. U. Jen
T. L. Tsai
P. C. Kuo
W. L. Chi
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2010-01
Issue Date: 2018-07-04T07:08:55Z
Publisher: J. Appl. Phys.
Abstract: ABSTRACT: Fe81−xCoxGa19 (with x ranging from 0 to 19 at. % Co) films were made by the dc magnetron sputtering method. We have studied the structural (phases, texturing, and grain size D), magnetic (saturation magnetostriction λS and coercivity HC), mechanical (Young’s modulus Ef and hardness Hf), and electrical (electrical resistivity ρ) properties of these films. The main results are as follows: (i) all the films are (110) textured; (ii) the bct phase (with twinned grains) coexists with the bcc phase only in the case of x≤3 at. % Co; (iii) λS increases steadily from 42 to 86 ppm, as x increases from 0 to 19 at. % Co; and (iv) ρ reaches the saturation limit, about 200 μΩ cm, when 19≥x≥15 at. % Co. In conclusion, we report that the Fe62Co19Ga19 film has the optimal magnetic, mechanical, and electrical properties among all the FeCoGa films measured.
Relation: 107(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47187
Appears in Collections:[光電科學研究所] 期刊論文

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