1. Department for Advanced Surface Processing and Analysis by Vacuum Technologies, National Institute of Research and Development for Optoelectronics—INOE 2000, 77125 Magurele, Romania
2. Department of Metallic Materials Science, Physical Metallurgy, Faculty of Materials Science and Engineering, University Politehnica of Bucharest, 60042 Bucharest, Romania
3. Department of Mechanical Energy and Management Engineering, University of Calabria, 87036 Rende, Italy
4. Institute of Biochemistry, Faculty of Life Sciences, Leipzig University, D04316 Leipzig, Germany
5. Physical Materials Science and Composite Materials Centre, Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia