Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 86, Issue 1, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.86.011001
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [26103003, 16H06330, 16H06089]
- Grants-in-Aid for Scientific Research [16K14231, 16H06089, 26103003] Funding Source: KAKEN
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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.
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