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首页> 外文期刊>IEEE Transactions on Magnetics >A phase shift in the coupling in Co/sub 1-x/Ag/sub x/Cu/Co/sub 1-x/Ag/sub x/ systems
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A phase shift in the coupling in Co/sub 1-x/Ag/sub x/Cu/Co/sub 1-x/Ag/sub x/ systems

机译:Co / sub 1-x / Ag / sub x / Cu / Co / sub 1-x / Ag / sub x /系统中耦合的相移

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摘要

Upon the addition of Ag impurities in the Co layers of high quality molecular-beam-epitaxy grown Co/Cu(111) trilayers, the antiparallel coupling observed in the Co/Cu/Co trilayers for t/sub Cu/>12 /spl Aring/ has been transformed to a parallel coupling which appears as a significant shift in the phase of the interlayer coupling. In addition, the amplitude of the exchange coupling oscillations appears to decrease exponentially with increasing Cu layer thickness.
机译:在高质量的分子束外延生长的Co / Cu(111)三层的Co层中添加了Ag杂质后,在Co / Cu / Co三层的t / sub Cu /> 12 / spl Aring中观察到了反平行耦合转换为平行耦合,在层间耦合的相位中表现为明显的偏移。此外,交换耦合振荡的幅度似乎随着Cu层厚度的增加呈指数下降。

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