Spin injection and detection up to room temperature in Heusler alloy/ n -GaAs spin valves

T. A. Peterson, S. J. Patel, C. C. Geppert, K. D. Christie, A. Rath, D. Pennachio, M. E. Flatte, P. M. Voyles, C. J. Palmstrom, P. A. Crowell