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题名: Strain and magnetic anisotropy of as-grown and annealed Fe films on c(4x4) reconstructed GaAs (001) surface
作者: Lu J;  Meng HJ;  Deng JJ;  Xu PF;  Chen L;  Zhao JH;  Jia QJ
发表日期: 2009
摘要: Fe films with the different thicknesses were grown on c(4x4) reconstructed GaAs (001) surfaces at low temperature by molecular-beam epitaxy. Well-ordered bcc structural Fe epitaxial films are confirmed by x-ray diffraction patterns and high-resolution cross-sectional transmission electron microscopy images. A large lattice expansion perpendicular to the surface in Fe film is observed. In-plane uniaxial magnetic anisotropy is determined by the difference between magnetizing energy along [110] and [110] directions, and the constant of interfacial uniaxial magnetic anisotropy is calculated to be 1.02x10(-4) J m(-2). We also find that magnetic anisotropy is not obviously influenced after in situ annealing, but in-plane strain is completely changed.
KOS主题词: Rapid thermal processing;  Heat treatment;  Gallium arsenide;  Iron;  induced anisotropy (magnetic);  magnetic epitaxial layers;  demagnetisation;  atomic layer deposition;  Transmission electron microscopy;  X-ray crystallography
刊名: JOURNAL OF APPLIED PHYSICS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Lu J ; Meng HJ ; Deng JJ ; Xu PF ; Chen L ; Zhao JH ; Jia QJ .Strain and magnetic anisotropy of as-grown and annealed Fe films on c(4x4) reconstructed GaAs (001) surface ,JOURNAL OF APPLIED PHYSICS,2009 ,106(1):Art. No. 013911
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