1. Research Laboratory: IRME—Department of Physics, University of Boumerdes 1 , Boumerdes, Algeria
2. Advanced Materials and Life Sciences Division, INRIM 2 , strada delle Cacce 91, 10135 Torino, TO, Italy
3. Dipartimento di Chimica e Centro Interdipartimentale NIS (Nanostructured Surfaces and Interfaces), Università di Torino 3 , Via Pietro Giuria 7, 10125 Torino, Italy
4. ENMC Laboratory, Department of Physics, Faculty of Sciences, University Ferhat Abbas 4 , Setif 19000, Algeria
5. Research Unit UR-MPE, University of Boumerdes 5 , 1 Avenue de l’Independance, Boumerdes 35000, Algeria