1. Institute for Materials, Ruhr University Bochum, Universitätsstr. 150, 44801 Bochum, Germany
2. Center for Interface-Dominated High Performance Materials (ZGH), Ruhr University Bochum, Universitätsstr. 150, 44801 Bochum, Germany
3. ICAMS, Ruhr University Bochum, Universitätsstr. 150, 44801 Bochum, Germany