Urbain, F. [P:(DE-Juel1)156469] ; Smirnov, V. [P:(DE-Juel1)130297] ; Becker, Jan Philipp [P:(DE-Juel1)142337] ; Rau, U. [P:(DE-Juel1)143905] ; Ziegler, J. [P:(DE-HGF)0] ; Yang, F. [P:(DE-HGF)0] ; Kaiser, B. [P:(DE-HGF)0] ; Jaegermann, W. [P:(DE-HGF)0] ; Hoch, S. [P:(DE-HGF)0] ; Blug, M. [P:(DE-HGF)0] ; Finger, F. [P:(DE-Juel1)130238]