Kazuya Ando

TL;DR: The spin Seebeck effect allows us to pass a pure spin current, a flow of electron spins without electric currents, over a long distance, and is directly applicable to the production of spin-voltage generators, which are crucial for driving spintronic devices.

TL;DR: It is shown that a spin wave in an insulator can be generated and detected using spin-Hall effects, which enable the direct conversion of an electric signal into aspin wave, and its subsequent transmission through (and recovery from) an insulators over macroscopic distances.

TL;DR: Using the spin Hall effect, magnetization relaxation in a Ni_{81}Fe_{19}/Pt film is manipulated electrically without applying electric currents directly to the magnetic layer.

TL;DR: In this paper, the inverse spin-Hall effect (ISHE) induced by the spin pumping has been investigated systematically in simple ferromagnetic/paramagnetic bilayer systems, and the spectral shape of the electromotive force is well reproduced using a simple Lorentz function, indicating that the force is due to the ISHE induced by spin pumping; extrinsic magnetogalvanic effects are eliminated in this measurement.

TL;DR: Experimental evidence is shown that spin pumping enables spin injection free from this condition; room-temperature spin injection into GaAs from Ni(81)Fe(19) through an Ohmic contact is demonstrated through dynamical spin exchange, and this exchange can be controlled electrically by applying a bias voltage across a Ni( 81) Fe(19)/GaAs interface, enabling electric tuning of the spin-pumping efficiency.