Computer Simulation of Magnetic Domains in Ultrathin Magnetic Films

概要

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We performed a Monte Carlo simulation of magnetic domains in an ultrathin film with surface anisotropy. We found that the out-of-plane spin component S^⊥_i forms magnetic domains and that the shape of the domains is closely related to the arrangement of the in-plane spin component S^∥_i. When in-plane magnetization is absent (M^∥ = 0), isolated bubble-like domains of S^⊥_i appear, whereas stripe domains appear when M^∥ ≠ 0. The bubble-like domains were found in thin films, and the stripe domains were found in thick films.
社団法人日本物理学会の論文
2003-06-15