Compositional dependence of magnetic and high frequency properties of nanogranular FeCo-TiO2 films

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[1] Wang, Yicheng
[2] Zhang, Huaiwu
[3] Wang, Luo
[4] Bai, Feiming
来源：
Zhang, H. (hwzhang@uestc.edu.cn) | 1600年 / American Institute of Physics Inc.卷 / 115期
关键词：
A series of soft magnetic nanogranular FeCo-TiO2 films with different compositions of FeCo were fabricated on Si substrates by co-sputtering FeCo and TiO2; and the magnetic and high frequency properties were studied in details. X-ray diffraction analysis confirmed that the films were nanocrystalline/amorphous composites. A high saturation magnetization of 14 kGs; a low coercivity of 5.3 Oe; a FMR frequency of 3.2 GHz; and a high resistivity of 1068 μΩ cm were obtained when the volume fraction of FeCo was 0.68. The excellence electromagnetic properties make the films an excellent candidate for microwave applications. © 2014 AIP Publishing LLC;
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