Duchamp, Martial [P:(DE-Juel1)145413] ; Xi, Lifei [P:(DE-Juel1)156151] ; Lam, Y-M [P:(DE-HGF)0] ; Dunin-Borkowski, Rafal [P:(DE-Juel1)144121] ; Kardinal, B.(FZJ:b. kardinal@fz-juelich. de/ [P:(DE-HGF)0]