1. Laboratoire de Physique du Solide, Université Sidi Mohammed Ben Abdellah, Faculté des Sciences Dhar Mahraz, BP 1796, Fes, Morocco
2. Laboratory of Materials, Processes, Environment and Quality, Cady Ayyed University, National School of Applied Sciences, Route Sidi Bouzid-BP 63 46000 Safi, Morocco
3. Equipe de Physique du Solide, Laboratoire LIPI, Ecole Normale Supérieure, BP 5206, Bensouda, Fes, Morocco
4. MAScIR Foundation, Institut of Nanomaterials and Nanotechnologies, Materials & Nanomaterials Center, B.P. 10100-Rabat, Morocco