Experimental study demonstrates direct conversion of spin current into electric voltage in platinum thin films, indicating practical spintronic signal detection at room temperature.
The inverse process of the spin-Hall effect (ISHE), conversion of a spin current into an electric current, was observed at room temperature. A pure spin current was injected into a Pt thin film using spin pumping, and it was observed to generate electromotive force transverse to the spin current. By changing the spin-current polarization direction, the magnitude of this electromotive force varies critically, consistent with the prediction of ISHE.
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Saitoh et al. (2006) studied this question.
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