Fleck, K. [P:(DE-HGF)0] ; Aslam, N. [P:(DE-Juel1)140489] ; Hoffmann-Eifert, S. [P:(DE-Juel1)130717] ; Longo, V. [P:(DE-HGF)0] ; Roozeboom, F. [P:(DE-HGF)0] ; Kessels, W. M. M. [P:(DE-HGF)0] ; Böttger, U. [P:(DE-HGF)0] ; Waser, R. [P:(DE-Juel1)131022] ; Menzel, S. [P:(DE-Juel1)158062]