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题名: Influence of Asymmetry on Vortex Nucleation and Annihilation in Submicroscaled Permalloy Disk Array
作者: Wu, Kuo-Ming;Horng, Lance;Wang, Jia-Feng;Wu, Jong-Ching;Wu, Yin-Hao;Lee, Ching-Ming
贡献者: 物理學系
日期: 2008-06
上传时间: 2014-06-06T07:18:57Z
出版者: American Institute of Physics
摘要: Magnetic properties of vortex nucleation, annihilation, and switching field distribution (SFD) in NiFe disk arrays, where the elements are with 300 nm diameter and different degrees of asymmetry, were investigated through measurements and simulations of hysteresis loop. The nucleation and annihilation of vortex state show strong dependences on the asymmetry. More interestingly, the width of SFD, the crucial factor for high-density storage application, oscillating with the degree of asymmetry is observed. The simulation results agree well with the experimental data.
關聯: Applied Physics Letters, 92(26): 262507
显示于类别:[物理學系] 期刊論文


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