Abstract
Spin pumping is recognized as a powerful means to create spin current from the precession of magnetization. Taking a hint from spin caloritronics, the authors demonstrate an unconventional mechanism of dynamical spin injection, based on the heating due to ferromagnetic resonance. Using a high-performance ferromagnetic alloy for the thermal process, efficient dynamical spin injection is achieved. This ingenuity opens another avenue for wireless spintronic devices.
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