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題名: Monodomain Configurations Due to Bias Effect in NiO/NiFe Microstructures
作者: Wu, Jong-Ching;Huang, H. W.;Lai, Chih-Huang;Wu, Te-Ho
貢獻者: 物理學系
日期: 2000
上傳時間: 2014-06-06T07:17:52Z
出版者: American Institute of Physics
摘要: Magnetic domain configurations of microstructured permalloy exchange coupled by an antiferromagnetic (NiO) thin film is presented. NiO/NiFe bilayer micrometer array elements were fabricated using electron beam lithography through a lift-off technique. The magnetic force microscopy images of the elliptical and rectangular elements with various aspect ratios showed dipole-like magnetic domain structures. The bright/dark arc contrast associated with the magnetic pole strength was dependent on the anisotropic exchange field. Furthermore, the shape anisotropy can overwhelm anisotropic exchange in patterned elements with a high aspect ratio and thicker permalloy film.
關聯: Journal of Applied Physics, 87(9): 4948-4950
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