Experimental demonstration of spin injection in Co2FeSi/MgO/GaAs structures yielding spin lifetimes of ~100 ns, diffusion lengths of ~5.6 μm, and spin generation efficiencies up to 18% with bias dependence indicating the half-metallic gap.
Fert , author J
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Spin generation in completely MBE grown Co$_2$FeSi/MgO/GaAs lateral spin valves
Experimental demonstration of spin injection in Co2FeSi/MgO/GaAs structures yielding spin lifetimes of ~100 ns, diffusion lengths of ~5.6 μm, and spin generation efficiencies up to 18% with bias dependence indicating the half-metallic gap.