1. Centre of Physics of University of Minho and Porto (CF-UM-UP)
2. Campus de Gualtar
3. 4710-057 Braga
4. Portugal
5. Department of Physics
6. School of Basic and Applied Sciences
7. Central University of Tamil Nadu
8. Thiruvarur-610 101
9. India
10. Department of Materials Science and Engineering
11. Pennsylvania State University
12. USA
13. National Institute of Materials Physics
14. 077125 Magurele
15. Romania
16. Université Abdelmalek Essaadi
17. Laboratoire Couches Minces et Nanomatériaux (CMN)
18. 90000 Tanger
19. Morocco