1. Department of Information and Electrical Engineering and Applied Mathematics (DIEM), University of Salerno, 84084 Fisciano, Italy
2. Consiglio Nazionale Delle Ricerche (CNR)-Istituto Officina dei Materiali (IOM), Area Science Park Basovizza S.S. 14-Km. 163, 5-34149 Trieste, Italy
3. Department of Physics and Materials, Faculty of Sciences at Cacak, University of Kragujevac, 32000 Cacak, Serbia
4. Italian Interuniversity Research Center on Interaction between Electromagnetic Fields and Biosystems (ICEmB), Università Degli Studi di Genova, DITEN, Via all’Opera Pia 11/a, 16145 Genova, Italy
5. Interdepartmental Research Centre for Nanomaterials and Nanotechnology at the University of Salerno (NanoMates), Department of Physics, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy