1. Physics Faculty, University of Sciences and Technology Houari Boumediene (USTHB) El-Alia, Algeria;
2. Department of Physics Sciences Faculty, University of M'Hamed Bougara, Boumerdes, Algeria;
3. Chemistry Faculty, University of Sciences and Technology Houari Boumediene (USTHB) El-Alia, Algeria;
4. Engineering Faculty, University of M'Hamed Bougara, Boumerdes, Algeria