Magnetic field dependence of the spin relaxation length in spin light-emitting diodes
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Applied Physics Letters 101 (2012) 112402-1-112402–4.