首页> 外文会议>Symposium on Magnetic Ultrathin Films,Multilayers and Surface --1997 March 31-April 4,1997, San Francisco, California, U.S.A >Perpendicular giant magnetoresistance of Co/Cu multilayers with fluctuating Co layer thicknesses
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Perpendicular giant magnetoresistance of Co/Cu multilayers with fluctuating Co layer thicknesses

机译:Co / Cu层厚度波动的Co / Cu多层材料的垂直巨磁电阻

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摘要

J.Mathon has predicted that introducing pseudorandom fluctuations (PRF) in the Co layer thickness could greatly enhance the Current Perpendicular to the Plane (CPP) magnetoresistance (MR) of a Co/Cu superlattice iwth dimensions comparable to the electron mean-free-path.We have searched for CPP-MR enhancementin sputtered Co/Cu multilayers with Cu layer thicknesses near both the first and second antiferromangnetically coupled peaks in the oscillatory region of the CPP-MR. In both cases, inserting PRF only decreased the CPP-MR.
机译:J.Mathon预测,在Co层厚度中引入伪随机波动(PRF)可以极大地提高Co / Cu超晶格的垂直于平面(CPP)的磁致电阻(MR)的电流,其尺寸可与电子平均自由程相当我们已经搜索了溅射的Co / Cu多层中的CPP-MR增强,其Cu层厚度在CPP-MR的振荡区域中的第一和第二反铁磁耦合峰附近。在这两种情况下,插入PRF仅会降低CPP-MR。

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