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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27457

Title: Effects of laminated soft layer on magnetization reversal of exchange coupled composite media
Authors: Hao-Cheng Hou;Meng-Shian Lin;Jung-Wei Liao;Tzung-Lin Wu;Chih-Huang Lai;Rong-Zhi Chen;Chih-Lung Lee;Hong-Ji Lin;Fan-Hsiu Chang;Jyh-Shinn Yang
Contributors: NTOU:Institute of Optoelectronic Sciences
Keywords: chromium alloys;cobalt alloys;exchange interactions (electron);granular materials;laminations;magnetic domain walls;magnetic multilayers;magnetic switching;magnetisation reversal;micromagnetics;platinum;platinum alloys;silicon compounds;soft magnetic materials
Date: 2009-04-01
Issue Date: 2011-10-21T02:31:51Z
Publisher: Journal of Applied Physics
Abstract: Abstract:The laminated soft layer (LSL) that comprises the granular [CoPtCr–SiO2/Pt]N multilayers with perpendicular magnetization is designed to reduce the switching field of exchange coupled composite (ECC) media. The magnetic simulation shows that the reduction in the switching field can be optimized by changing the coupling strength between the adjacent CoPtCr–SiO2 layers in LSL. The reversal mechanism of ECC media with LSL depends on the bilayers number N of [CoPtCr–SiO2/Pt]N. Both simulation and experiments reveal that the domain-wall assisting reversal strongly depends on the thickness of LSL. By properly adjusting the coupling strength inside the LSL, the switching and saturation fields can be significantly reduced at a limited thickness of the soft layer due to decreased domain-wall length by the Pt lamination.
Relation: 105(7), pp.07B729-1-07B729-3
URI: http://ntour.ntou.edu.tw/handle/987654321/27457
Appears in Collections:[光電科學研究所] 期刊論文

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