強磁性ホール効果によるCo/Pd多層膜の磁化機構評価(磁気記録)

概要

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The magnetization process in Co/Pd multilayers under a tilted magnetic field was studied using ferromagnetic Hall effect analysis. The loci of the tip of an effective magnetization vector were determined from the simultaneously detected anomalous and planar Hall voltage signals contributed by the perpendicular and in-plane magnetization components, respectively, inside a multilayered specimen. The evaluated magnetization reversal process exhibited a clear dependence on the multilayer structure due to the variation of the Co or Pd layer thickness. For different types of multilayers, Hall effect study under a tilted magnetic field revealed the difference in the magnetization reversal phenomenon, while no significant difference was detected in the characteristics measured in a perpendicular applied field.
社団法人日本磁気学会の論文
2004-04-01