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题名: Magnetoresistance of Microstructured Permalloy Ellipses Having Multi-domain Configurations
作者: Kuo, C. Y.;Chung, W. S.;Wu, Jong-Ching;Horng, Lance;Wei, Zung-Hang;Lai, Mei-Feng;Chang, Ching-Ray
贡献者: 物理學系
关键词: Cross-tie wall;Vortex;Magnetic-force microscope (MFM);Magnetoresistance (MR);Permalloy
日期: 2007-03
上传时间: 2014-06-06T07:18:45Z
出版者: Elsevier
摘要: Mirostructured permalloy ellipses having purposely designed multi-domain configurations were investigated. The samples were
fabricated using e-beam lithography through a lift-off process. The magnetoresistance measurements were carried out with a constant dc
sensing current under the external magnetic field applied along the short axis. The magnetoresistance curves manifest characteristic
features in accordance with the specific domain configurations. Step-like/kink features were observed on the ellipses with cross-tie wall/
two-vortex configuration and step-like plus kink magnetorsistance curve was found on the ellipse with cross-tie wall combining with twovortex structure. A magnetic force microscopy and a micromagnetic simulation were employed to support these results.
關聯: Journal of Magnetism and Magnetic Materials, 310(2) Part3: e672-e674
显示于类别:[物理學系] 期刊論文

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