1. LMA, Department of Physics, Faculty of Exact Sciences and Computing University Hassiba Benbouali of Chlef, Chlef 02000, Algeria
2. LEPM, Faculty of Physics, University of Sciences and Technology of Oran Mohamed-Boudiaf USTO-MB, BP 1505, EL M’naouer, Oran, Algeria
3. LMA, Department of Physics, Faculty of Science and Technology Relizane University, Relizane 48000, Algeria