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Angular dependence and origin of asymmetric magnetization reversal in exchange-biased Fe/FeF_2(110)

机译:交换偏置的Fe / FeF_2(110)的角度依赖性和不对称磁化反转的起源

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摘要

Asymmetric magnetization reversal in exchange-biased Fe/FeF_2 has been analyzed by magneto-optic Kerr loops transverse to the measuring field. Noncollinear cooling-field and measuring-field directions yield a complex phase diagram of distinct transverse reversal modes. The phase diagram is simulated by a simple total-energy-density model, including noncollinear anisotropies and magnetization rotation. Asymmetric magnetization reversal occurs for 360° of cooling-field directions if these are noncollinear with measuring-field and exchange-bias directions except near easy and hard axes.
机译:通过横向于测量场的磁光克尔环分析了交换偏置的Fe / FeF_2中的不对称磁化反转。非共线的冷却场方向和测量场方向产生了不同的横向反转模式的复杂相图。通过简单的总能量密度模型(包括非共线各向异性和磁化旋转)模拟相图。如果冷却场方向与测量场方向和交换偏向方向不是共线的,则在非易磁轴和硬轴附近不共线,则会在360°的冷却场方向上发生不对称磁化反转。

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