Study on the soft magnetic properties and high frequency characteristics of Co-M (M = Ti, Zr, and Hf) thin films??

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Title:	Study on the soft magnetic properties and high frequency characteristics of Co-M (M = Ti, Zr, and Hf) thin films??
Authors:	Chang, H.W., Huang, Y.H., Hsieh, C.C., Shih, C.W., Chang, W.C., Xue, D.S.
Contributors:	Department of Physics, Tunghai University
Keywords:	High frequency characteristics;Maximum values;Optimal properties;Soft magnetic properties;Ti content;Uniaxial magnetic anisotropy
Date:	2012
Issue Date:	2013-05-15T09:08:26Z (UTC)
Abstract:	Soft magnetic properties and high frequency characteristics of Co 100-xM x (M Ti, Zr, and Hf) thin films have been investigated. All M-doped Co 100-xM x films exhibit strong induced in-plane uniaxial magnetic anisotropy. With the increase of the x, the 4M s and coercivity along the hard and easy axes (H ch and H ce) are decreased, while H k reaches the maximum value for the films having the composition to become the fully amorphous. Among them, less Hf or Zr content, i.e., x = 7, are sufficient in forming the Co 100-xM x amorphous, in contrast, more Ti content, i.e., x 15, should be needed. The optimal properties of 4M s 11.0 kG, H ce 5.4 Oe, H ch 4.0 Oe, H k 320 Oe and f FMR 5.2 GHz for Co 93Hf 7 films and 4M s 11.7 kG, H ce 6.1 Oe, H ch 1.6 Oe, H k 266 Oe and f FMR 4.9 GHz for Co 93Zr 7 films can be obtained. ? 2012 American Institute of Physics.
Relation:	Journal of Applied Physics 111 (7) , art. no. 07A333
Appears in Collections:	[應用物理學系所] 期刊論文

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