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利用电子束蒸发设备和光刻工艺制备了 5μm× 5μm的Co/Cu/Fe三明治结 .在 77K温度下对三明治结自旋相关的输运特性进行了研究 ,测得了 μV量级的双极输出信号 .研究了外加磁场方向和注入电流大小对输出信号的影响 ,并对结果进行了详细的讨论 .
外磁场方向和注入电流密度对Co/Cu/Fe=三明治结输出的影响
【摘 要】
：
利用电子束蒸发设备和光刻工艺制备了 5μm× 5μm的Co/Cu/Fe三明治结 .在 77K温度下对三明治结自旋相关的输运特性进行了研究 ,测得了 μV量级的双极输出信号 .研究了外加磁场方向和注入电流大小对输出信号的影响 ,并对结果进行了详细的讨论 .
【机 构】
：
山东大学物理系,中国科学院上海冶金研究所,中国科学院等离子体研究所
【出 处】
：
中国科学(A辑)
【发表日期】
：
2001年09期
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