硅钝化磁性纳米柱中的电流诱导反转
Current-induced reversal in magnetic nanopillars passivated by silicon
摘要：
我们证明，磁性多层纳米柱可以有效地保护氧化与硅涂层。在低温下，被保护的纳米柱和被氧化的纳米柱都表现出反向电流的增加。然而，磁激发起始电流仅在氧化样品中增加。我们发现，氧化纳米柱在低温下表现出异常的开关统计，提供了一个简单的测试磁性纳米器件的质量。
英文摘要：
We demonstrate that magnetic multilayer nanopillars can be efficiently protected from oxidation by coating with silicon. Both the protected and the oxidized nanopillars exhibit an increase of reversal current at cryogenic temperatures. However the magnetic excitation onset current increases only in the oxidized samples. We show that oxidized nanopillars exhibit anomalous switching statistics at low temperature, providing a simple test for the quality of magnetic nanodevices.
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