Ravishankar, Sandheep [P:(DE-Juel1)180551] ; Liu, Zhifa [P:(DE-Juel1)169264] ; Wang, Yueming [P:(DE-Juel1)188117] ; Kirchartz, Thomas [P:(DE-Juel1)159457] ; Rau, Uwe [P:(DE-Juel1)143905]