Horstmann, M.; Institute of Thin Film and Ion Technology (ISI), Research Centre Jülich, D-52425 Jülich, Germany
Marso, Michel ;
Institute of Thin Film and Ion Technology (ISI), Research Centre Jülich, D-52425 Jülich, Germany Kordoš, P.; Institute of Thin Film and Ion Technology (ISI), Research Centre Jülich, D-52425 Jülich, Germany