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Linear scaling between momentum and spin scattering in graphene
Physical Review B
Spin transport in graphene carries the potential of a long spin diffusion length at room temperature. However, extrinsic relaxation processes limit the current experimental values to 1-2 um. We present Hanle spin precession measurements in gated lateral spin valve devices in the low to high (up to 10^13 cm^-2) carrier density range of graphene. A linear scaling between the spin diffusion length and the diffusion coefficient is observed. We measure nearly identical spin- and charge diffusiondoi:10.1103/physrevb.80.241403 fatcat:ctxv6hx3wbfbhlzecixxzmdqqq