Roelofs, A. [P:(DE-HGF)0] ; Pertsev, N. A. [P:(DE-HGF)0] ; Waser, R. [P:(DE-Juel1)131022] ; Schlaphof, F. [P:(DE-HGF)0] ; Eng, L. M. [P:(DE-HGF)0] ; Ganpule, C. [P:(DE-HGF)0]