Magnetic Moment Formation in Graphene Detected by Scattering of Pure Spin Currents

URN to cite this document:: urn:nbn:de:bvb:355-epub-289537
DOI to cite this document:: 10.5283/epub.28953

McCreary, K. M. ; Schwartz, A. G. ; Han, W. ; Fabian, Jaroslav

; Kawakami, R. K.

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Date of publication of this fulltext: 24 Oct 2013 13:38

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Abstract

Hydrogen adatoms are shown to generate magnetic moments inside single layer graphene. Spin transport measurements on graphene spin valves exhibit a dip in the nonlocal spin signal as a function of the applied magnetic field, which is due to scattering (relaxation) of pure spin currents by exchange coupling to the magnetic moments. Furthermore, Hanle spin precession measurements indicate the ...