"Spin Current Physics and Applications"

Who: Prof. Eiji Saitoh, Tohoku University, Japan

Place: nanoGUNE seminar room, Tolosa Hiribidea 76, Donostia - San Sebastian

Date: Thursday, 11 May 2017, 11:00

Spin current, a spin counterpart of electric current, refers to a flow of electrons? spin angular momentum in condensed matter. Spin current has been ignored in electromagnetism in matter for many years, since it disappears in a very short distance, typically at the sub-micrometer scale. However, recent developments in nanotechnology have enabled us to make minute structures. For example, in integrated circuits composed of nanoscale wires, spin current may become as important a quantity as electric current. Spin current can be detected using the inverse spin Hall effect: conversion of spin current into electricity in condensed matter. As a result, a lot of spin-current-related phenomena have been discovered. In my talk, I will guide you around the world of spin current science. First, I will give an introduction to the basic concept of spin current, followed by a review of various phenomena discovered using spin current as a guiding principle, such as spin-Seebeck effects, other spin-caloritronics effects, and spin-mechanics effects. The physics and materials science behind these effects will also be discussed.

Host: F. Casanova

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