Jabli F.1,2, Dhouibi S.3,4, Gassoumi M.2,5
1Laboratory of Micro-Optoelectroniques et Nanostructures, University of Monastir,, Monastir, Tunisia
2Department of Physics, College of Sciences, Qassim University,, Buryadh, Saudi Arabia
3Department of Physics, College of Science and Arts Al-Mithnab, Qassim University, Al-Mithnab, Saudi Arabia
4Laboratory of physics of condensed Matter and Nanosciences, University of Monastir, Monastir, Tunisia
5Research unit of advanced materials and nanotechnology, University of Kairouan, PO Box 471, Kasserine, Tunisia