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Spatial variation of dynamic nuclear spin polarization probed by the non-local Hanle effect

Shiogai, J. ; Ciorga, M. ; Utz, M. ; Schuh, D. ; Kohda, M. ; Bougeard, D. ; Nojima, T. ; Weiss, D. ; Nitta, J.



Abstract

The spatial distribution of dynamic nuclear spin polarization (DNP) has been investigated in a lateral all-semiconductor spin-injection device based on a (Ga, Mn) As/n(+)-GaAs spin-Esaki diode. The DNP induced by the hyperfine interaction has been probed via satellite peaks in non-local Hanle-type spin precession signals, indicating the recovery of electron spin polarization. A quantitative ...

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