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Surface-assisted Spin Hall Effect in Au Films with Pt Impurities
B. Gu, I. Sugai, T. Ziman +5
We show, both experimentally and theoretically, a novel route to obtain giant room temperature spin Hall effect due to surface-assisted skew scattering. In the experiment, we repor…
Extremely long quasiparticle spin lifetimes in superconducting aluminium using MgO tunnel spin injectors
Hyunsoo Yang, See-Hun Yang, Saburo Takahashi +2
There has been an intense search in recent years for long-lived spin-polarized carriers for spintronic and quantum-computing devices. Here we report that spin polarized quasi-parti…
Gigantic enhancement of spin Seebeck effect by phonon drag
Hiroto Adachi, Ken-ichi Uchida, Eiji Saitoh +3
We investigate both theoretically and experimentally a gigantic enhancement of the spin Seebeck effect in a prototypical magnet LaYFeO at low temperatures. Our theor…
Linear-response theory of spin Seebeck effect in ferromagnetic insulators
Hiroto Adachi, Jun-ichiro Ohe, Saburo Takahashi +1
We formulate a linear response theory of the spin Seebeck effect, i.e., a spin voltage generation from heat current flowing in a ferromagnet. Our approach focuses on the collective…
Spin Seebeck insulator
K. Uchida, J. Xiao, H. Adachi +10
Thermoelectric generation is an essential function of future energy-saving technologies. However, this generation has been an exclusive feature of electric conductors, a situation…
Theory of magnon-driven spin Seebeck effect
Jiang Xiao, Gerrit E. W. Bauer, Ken-ichi Uchida +2
The spin Seebeck effect is a spin-motive force generated by a temperature gradient in a ferromagnet that can be detected via normal metal contacts through the inverse spin Hall eff…