1. Laboratory of Multifunctional Materials and Applications (LaMMA), Faculty of Sciences of Sfax, University of Sfax, BP 1171, Sfax 3000, Tunisia
2. Laboratory of Electromechanical Systems (LASEM), National Engineering School of Sfax (ENIS), Cité el Habib BP 29, Sfax 3052, Tunisia
3. Measurement and Sensor Technology, Chemnitz University of Technology, Reichenhainer Straße 70, 09126 Chemnitz, Germany