Affiliation: | 1. Institute for Materials Engineering, University of Kassel, Kassel, Germany;2. now with V & M DEUTSCHLAND GmbH, Boiler & Line Pipe Competence Center, Düsseldorf, Germany;3. Department of Physics and CINSaT, University of Kassel, Kassel, Germany;4. now with Carl von Ossietzky University of Oldenburg, Department of Physics, Oldenburg, Germany |