High-frequency characteristics of CoFeVAlONb thin films

被引：7
|
作者：
Lee, K. E. [2 ]
Ha, N. D. [1 ]
Phan, M. H. [3 ]
Kim, C. O. [1 ]
机构：
[1] Chungnam Natl Univ, Res Ctr Adv Magnet Mat, Taejon 305764, South Korea
[2] Chungnam Natl Univ, Dept Mat Sci & Engn, Taejon 305764, South Korea
[3] Univ Bristol, Dept Aerosp Engn, Bristol BS8 1TR, Avon, England
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 304卷 / 01期
关键词：
Nanogranular; Soft magnetic thin films; High frequency thin films; Microstructure;
D O I：
10.1016/j.jmmm.2006.01.157
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High-frequency characteristics of CoFeVAlONb thin films were studied. A thin film of Co43.47Fe35.30V1.54Al5.55O9.93Nb4.21 is observed to exhibit excellent magnetic properties; magnetic coercivity of 1.24 Oe, uniaxial in-plane anisotropy field of 66.99 Oe, and saturation magnetization of 19.8 kG. The effective permeability of the film is as high as 1089 and is stable up to 1.8 GHz, and with ferromagnetic resonance over 3 GHz. This film also has very high electrical resistivity of about 628 mu Omega cm. These superior properties make it ideal for high-frequency magnetic applications. (C) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码：E189 / E191
页数：3
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