National Changhua University of Education Institutional Repository : Item 987654321/18552
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題名: Size Dependence of Magnetization Reversal of Ring Shaped Magnetic Tunnel Junction
作者: Chen, C. C.;Kuo, C. Y.;Chang, Y. C.;Chang, C. C.;Horng, Lance;Wu, Te-Ho;Chern, G.;Huang, C. Y.;Tsunoda, M.;Takahashi, M.;Wu, Jong-Ching
貢獻者: 物理學系
關鍵詞: Magnetic tunnel junction rings;Size dependence;Magnetization revers
日期: 2007-03
上傳時間: 2014-06-06T07:18:43Z
出版者: Elsevier
摘要: The size dependence of magnetization reversal of magnetic tunnel junction (MTJ) rings has been investigated. The MTJ rings, with outer diameter of 4, 2 and 1 μm and inner diameter of 1.5, 1 and 0.5 μm were fabricated by a top–down technique. The magnetoresistance curves manifest all of the magnetic domain configurations during magnetization reversal in different sized rings. Various transition processes were observed, such as four transition, three transition and two transition in the largest, middle and smallest MTJ ring, respectively. Furthermore, the biasing fields observed from major loops decrease with decreasing size, which may result from edge roughness produced in the ion-milling process.
關聯: Journal of Magnetism and Magnetic Materials, 310(2) Part3: 1900-1902
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