J. Conradt, J. Sartor, C. Thiele, F. Maier-Flaig, J. Fallert, H. Kalt, R. Schneider, M. Fotouhi, P. Pfundstein, V. Zibat, and D. Gerthsen
J. Phys. Chem. C 115, 3539-3543 (2011)