1. Film Device Fabrication-Characterization and Application FDFCA Research Group USTOMB, 31130, Oran, Algeria
2. Physics Faculty, USTOMB University POBOX 1505 31130, Mnaouer Oran Algeria
3. University of Sfax, Faculty of Sciences of Sfax, Department of Physic, Laboratory of Applied Physic, B.P. N∘802, 3018 Sfax-Tunisia, Tunisia
4. Department of Physics, Khadir Mohideen College, Adiram pattinam – 614701, Thanjavur District, Tamil Nadu, India