1. 1Laboratoire Matériaux Avancés et Phénomènes Quantiques, Faculté des Sciences de Tunis, Université de Tunis El Manar, 2092 Campus Universitaire, Tunis, Tunisie.
2. 2Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University, P.O. Box 90950, Riyadh 11623, Saudi Arabia.
3. 4Deanship of scientific research, College of Science, Imam Mohammad Ibn Saud Islamic University, Saudi Arabia.