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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…