1. Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium
2. Department of Electrical Engineering and Computer Science and MANSiD Research Center, “Stefan cel Mare” University, University Street, 13, Suceava 720229, Romania