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.
The standard model of spin injection
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abstract
1 Introduction 2 Simple model of spin injection 3 Spin-polarized transport: concepts and definitions 4 The standard model of spin injection: F/N junction 5 Nonequilibrium resistance and spin bottleneck 6 Transparent and tunnel contacts, conductivity mismatch 7 Silsbee-Johnson spin-charge coupling 8 Spin injection in F/N/F junctions 9 Nonlocal spin-injection geometry: Johnson-Silsbee spin injection experiment
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cond-mat.mes-hall 1years
2019 1verdicts
UNVERDICTED 1representative citing papers
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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.