1. Department of Material Science, Faculty of Material Science, Mathematics and Computer Science, University of Ahmed Draya, Adrar 01000, Algeria
2. LPTHIRM-Physics Department, Faculty of Sciences, University of Blida 1, P.O. Box 270, Blida 09000, Algeria
3. Institute of Electronics, Microelectronics and Nanotechnology (IEMN)—UMR CNRS 8520, University of Sciences and Technologies of Lille 1, Avenue Poincare, BP 60069, 59652 Villeneuve of Ascq, France