1. Fraunhofer-Institute for Mechanics of Materials IWM-MicroTribology Center μTC, Wöhlerstrasse 11, 79108 Freiburg, Germany
2. Karlsruhe Institute of Technology KIT, Institute for Applied Materials IAM, Kaiserstrasse 12, 76131 Karlsruhe, Germany
3. IFOS-Institute für Oberflächen- und Schichtanalytik GmbH, Trippstadter Strasse 120, 67663 Kaiserslautern, Germany
4. INM − Leibniz Institute for New Materials and Physics Department, Saarland University, Campus D2 2,66123 Saarbrücken, Germany
5. Institute of Product Engineering, University Duisburg-Essen, Lotharstrasse 1, 47057 Duisburg, Germany