1. Department of Materials Science
2. University of Patras
3. 26504 Rio, Greece
4. Department of Materials Science and Engineering
5. University of Ioannina
6. 45110 Ioannina, Greece
7. Regional Centre of Advanced Technologies and Materials
8. Faculty of Science
9. Department of Physical Chemistry
10. Palacky University in Olomouc
11. Olomouc 77146, Czech Republic