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 & Research Center MANSiD, “Stefan cel Mare” University, 13 University Street, No. 13, Suceava 720229, Suceava, Romania