Chen, Xiang [P:(DE-82)750663] ; Stelzer, Bastian [P:(DE-82)IDM03277] ; Hans, Marcus [P:(DE-82)IDM00995] ; Iskandar, Mohamad Riza [P:(DE-82)IDM00316] ; Mayer, Joachim [P:(DE-82)IDM00104] ; Schneider, Jochen M. [P:(DE-82)IDM01039]