1. Research Unit of Valuation and Optimization of Resource, Faculty of Science and Technology of Sidi Bouzid, University of Kairouan, University Campus Agricultural City, Sidi Bouzid, Tunisia
2. Higher Institute of Applied Sciences and Technology of Gabes (ISSATG)ISSAT, University of Gabes, Gabes, Tunisia
3. Physics Department, College of Science, Jouf University, Sakaka, Saudi Arabia
4. College of Engineering, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
5. Laboratory of Applied Physics, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
6. Institut Néel, CNRS–Université J. Fourier, Grenoble, France