1. LS3M
2. Faculté Polydisciplinaire Khouribga
3. Sultan Moulay Slimane University of Beni Mellal
4. 25000 Khouribga
5. Morocco
6. Department of Materials Science Engineering
7. Institute I: General Materials Properties
8. Friedrich-Alexander-Universität Erlangen-Nürnberg
9. 91058 Erlangen
10. Germany
11. Laboratoire de Physique de la Matière Condensée
12. Faculté des Sciences Ben M'sik
13. University Hassan II of Casablanca
14. Casablanca