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题名: Formation and magnetic properties of Fe16N2 films prepared by ion-beam-assisted deposition
作者: Yao ZY;  Jiang H;  Liu ZK;  Huang DD;  Qin FG;  Zhu SC;  Sun YX
发表日期: 1998
摘要: Fe-N films containing the Fe16N2 phase were prepared in a high-vacuum system of ion-beam-assisted deposition (IBAD). The composition and structure of the films were analysed by Auger electron spectroscopy (AES) and X-ray diffraction (XRD), respectively. Magnetic properties of the films were measured by a vibrating sample magnetometer (VSM). The phase composition of Fe-N films depend sensitively on the N/Fe atomic arrival ratio and the deposition temperature. An Fe16N2 film was deposited successfully on a GaAs (1 0 0) substrate by IBAD at a N/Fe atomic arrival ratio of 0.12. The gram-saturation magnetic moment of the Fe16N2 film obtained is 237 emu/g at room temperature, the possible cause has been analysed and discussed. Hysteresis loops of Fe16N2 have been measured, the coercive force H-c is about 120 Oe, which is much larger than the value for Fe, this means the Fe16N2 sample exhibits a large uniaxial magnetocrystalline anisotropy. (C) 1998 Elsevier Science B.V. All rights reserved.
KOS主题词: Thin films;  saturation magnetization
刊名: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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Yao ZY; Jiang H; Liu ZK; Huang DD; Qin FG; Zhu SC; Sun YX .Formation and magnetic properties of Fe16N2 films prepared by ion-beam-assisted deposition ,JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,1998,177(0):1291-1292
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