1. Materials Science Research Center, Mohammed V University in Rabat, Laboratory of Physics and Chemistry of Inorganic and Organic Materials (LPCMIO), Ecole Normale Supérieure, BP. 5118, Rabat, Morocco
2. Faculty of Sciences, Mohammed V University in Rabat, MANAPSE, BP. 1014, Rabat, Morocco
3. Faculty of Sciences and Technology, Laboratoire de Physique des Matériaux, Sultan Moulay Slimane University, BP. 523, Béni-Mellal, Morocco