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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23500

Title: Determining Vortex Chirality in Ferromagnetic Ring by Lateral Nonlocal Spin Valve
Authors: D. C. Chen;Y. D. Yao;J. K. Wu;C. Yu;S. F. Lee
Contributors: NTOU:Institute of Materials Engineering
Date: 2008
Issue Date: 2011-10-20T08:06:26Z
Publisher: Journal of Applied Physics
Abstract: abstract:We demonstrate detecting chirality of vortex state in a magnetic ring by lateral nonlocal spin-valve (NLSV) measurement. A Permalloy (Py) ring, a Py narrow wire, and copper contacts were used as spin injector, detector, and the normal-metal diffusive channel, respectively. By comparing the anisotropic magnetoresistance loop of the individual ring with NLSV loop, the vortex chirality and the related switching field of the ring can be determined. Both onion-to-vortex transition field and vortex chirality were found to alternate in both the same and different current probe arrangements on the magnetic ring.
Relation: 103(7), pp.07F312
URI: http://ntour.ntou.edu.tw/handle/987654321/23500
Appears in Collections:[材料工程研究所] 期刊論文

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