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Interfacial interactions of iron-cobalt/palladiumand iron-cobalt/ruthenium multilayers.

机译：铁钴/钯和铁钴/钌多层膜的界面相互作用。

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The FeCo system of alloys is perched atop the Slater-Pauling curve. As a result of this and its relatively low cost and ease of deposition, it is heavily used within the magnetic recording industry. However, new technology requires an advance past this system with respect to high moment, high magnetization materials. One possible step is the enhancement of the FeCo system. One approach is the lamination of thin, nonmagnetic Pd spacer layers with FeCo. Prior published results have shown an increase in not only the moment, but also the magnetization of the samples. We have developed a FeCo/Pd superlattice samples to test this hypothesis. Our results, using a combination of conventional magnetometry, x-ray magnetic circular dichroism, and polarized neutron reflectivity, show a different result from prior reports. The magnetic dichroism experiments show a definite decrease in the magnetic moments of both the Fe and Co with the introduction of Pd. The preliminary analysis of the neutron reflectivity data shows no increase in the magnetic moment of the alloy, nor an induced moment in the Pd. For comparison with the FeCo/Pd superlattice, we studied an antiferromagnetically coupled FeCo/Ru superlattice.

机译：合金的FeCo系统位于Slater-Pauling曲线的顶部。因此，其成本相对较低且易于沉积，因此在磁记录行业中被大量使用。但是，新技术需要在高力矩，高磁化材料方面超越该系统。一个可能的步骤是增强FeCo系统。一种方法是将薄的非磁性Pd间隔层与FeCo层压在一起。先前发表的结果表明，不仅力矩增加，而且样品的磁化强度也增加了。我们已经开发了FeCo / Pd超晶格样品来检验该假设。我们的结果结合了常规的磁力测量法，X射线磁性圆二色性和极化中子反射率，显示出与先前报道不同的结果。磁二向色性实验表明，随着Pd的引入，Fe和Co的磁矩均明显减小。对中子反射率数据的初步分析表明，合金的磁矩没有增加，Pd中也没有感应矩。为了与FeCo / Pd超晶格进行比较，我们研究了反铁磁耦合的FeCo / Ru超晶格。

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作者
Walock, Michael James.;
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作者单位

The University of Alabama.;

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授予单位 The University of Alabama.;
学科 Physics Electricity and Magnetism.;Physics Condensed Matter.
学位 M.S.
年度 2009
页码 59 p.
总页数 59
原文格式 PDF
正文语种 eng
中图分类电磁学、电动力学;
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入库时间 2022-08-17 11:38:28

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Interfacial interactions of iron-cobalt/palladiumand iron-cobalt/ruthenium multilayers.

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