Spin to Charge Interconversion Phenomena in the Interface and Surface States
Spin to Charge Interconversion Phenomena in the Interface and Surface States
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DOI：
10.7566/jpsj.86.011001
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发表时间：
2017-01-15
影响因子：
1.7
通讯作者：
Shiraishi, Masashi
中科院分区：
文献类型：
--
作者：
Ando, Yuichiro;Shiraishi, Masashi
1985年，Johnson和Silsbee在非磁性金属中实现了自旋电流的产生，这激发了迄今为止大量与自旋电流相关的研究。迄今为止，自旋电流的产生已经在金属、半导体和绝缘体中实现，并提供了一个富有成果的研究领域。自旋相关电导和自旋力矩为自旋电子的应用开辟了新的途径，自旋信息与工业上使用的信息（如电荷电流、光、磁矩和热流）之间的高效相互转换成为一个中心课题。在早期，这种相互转化的主要领域是散装材料；然后焦点逐渐转移到表面和界面状态。在纳米级自旋电子学器件中，表面和界面态的特性变得明显，并且在两种材料之间的界面上实现了各种功能，使自旋功能具有无限的可能性。本文综述了近年来在表面态和界面态下自旋电荷相互转换的研究进展。我们还介绍了在定量研究中应注意的几种伪效应。
In 1985, Johnson and Silsbee realized the creation of a spin current in nonmagnetic metals, which inspired a vast number of studies related to the spin current until now. Creation of the spin current has been realized in metals, semiconductors, and insulators to date and has provided a fruitful research field. Spin-dependent conductance and spin torque paved a new way for spintronic application, and highly efficient interconversion between spin information and an industrially used one, such as charge current, light, magnetic moment and heat current, became a central topic. In the early stage, the main field of such interconversion was bulk materials; the focus then gradually shifted to surface and interface states. The properties of surface and interface states became pronounced in nanoscale spintronics devices, and a variety of functions have been realized at the interface between two materials, enabling limitless possibilities for spin functions. This review provides an overview of the recent progress of the spin-charge interconversion in the surface and interface states. We also introduce several spurious effects that should be paid careful attention for quantitative investigations.