1. I3N-Aveiro
2. Department of Physics
3. University of Aveiro
4. Aveiro-3810 193
5. Portugal
6. Materials Research Laboratory
7. Osmania University
8. Hyderabad-500 007
9. India
10. Department of Materials and Ceramics Engineering/CICECO
11. Jožef Stefan Institute
12. Centre for Electron Microscopy and Microanalysis
13. 1000 Ljubljana
14. Slovenia
15. Centre for Mechanical Technology and Automation (TEMA)
16. Department of Mechanical Engineering