Abstract
We investigated the temperature and bias voltage dependencies of spin injection signals for Co2FeAl0.5Si0.5 (CFAS)/n-GaAs schottky tunnel junction. Clear voltage change was observed at 10K for the junction by 3 Terminal Hanle measurements. The maximum voltage change, ¦VMAX, was decreased with increasing temperature and observed up to 100K. The estimated spin relaxation time, ¸, was 290ps at 10K and was
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