Paper Title:
Influence of Magnetic Field Thermal Annealing on the High- Frequency Performance of the FeCo-Based Granular Thin Films
  Abstract

A series of FeCoHfO granular films were fabricated by reactive DC magnetron reactive sputtering at varying partial pressure of oxygen and annealed by magnetic field thermal annealing. By using magnetic field annealing method suitably, the soft magnetic properties of FeCoHfO granular thin films are improved obviously. The optimal annealing temperature and annealing time are 350 °C and 20 minute, respectively. The films with desired properties of low coercivity, Hc~2Oe, relatively high saturation magnetization, 4pMs~20.5 kG, high anisotropy field Hk~50Oe, and high electrical resistivity r ~ 1875mWcm and natural ferromagnetic resonant frequency about 3 GHz have been obtained.

  Info
Periodical
Edited by
Chengming Li, Chengbao Jiang, Zhiyong Zhong and Yichun Zhou
Pages
99-105
DOI
10.4028/www.scientific.net/MSF.687.99
Citation
G. D. Lu, H. W. Zhang, X. L. Tang, Y. X. Li, Z. Y. Zhong, "Influence of Magnetic Field Thermal Annealing on the High- Frequency Performance of the FeCo-Based Granular Thin Films", Materials Science Forum, Vol. 687, pp. 99-105, 2011
Online since
June 2011
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