1. Department of Molecular Sciences and Nanosystems (DSMN), Ca’ Foscari University of Venice, Scientific Campus, Via Torino 155, 30172 Venezia Mestre, VE, Italy
2. Department of Engineering of Materials and Ceramics/CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
3. CNR-NANOTEC – Istituto di Nanotecnologia, Strada Provinciale Monteroni, Lecce, Campus Ecotekne, 73100 Lecce, Italy
4. Department of Mathematics and Physics, University of Salento, Via Monteroni, 73100, Lecce, Italy
5. Dipartimento di Matematica e Fisica E. de Giorgi, Università Del Salento, Campus Ecotekne, via Monteroni, Lecce, 73100, Italy