4.5 Article

Dynamical Spin Injection into p-Type Germanium at Room Temperature

Journal

APPLIED PHYSICS EXPRESS
Volume 6, Issue 2, Pages -

Publisher

JAPAN SOC APPLIED PHYSICS
DOI: 10.7567/APEX.6.023001

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Funding

  1. Grants-in-Aid for Scientific Research [23226001, 24760010] Funding Source: KAKEN

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We demonstrate dynamical spin injection into p-type germanium (Ge) at room temperature (RT) using spin pumping. The generated pure spin current is converted to a charge current by the inverse spin-Hall effect (ISHE) arising in the p-type Ge sample. A clear electromotive force due to the ISHE is detected at RT. The spin-Hall angle for p-type Ge is roughly estimated to be theta(SHE) = 9.6 x 10(-4) at RT. (C) 2013 The Japan Society of Applied Physics

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