1. Department of Physics, University of Trieste, via A. Valerio 2, 34127 Trieste, Italy
2. Institut de Physique des Nanostructures, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
3. CNR-IOM, Area Science Park, S.S. 14 km 163.5 Basovizza, 34149 Trieste, Italy
4. Center for Energy, Environment and Transport Giacomo Ciamician, University of Trieste, 34127 Trieste, Italy
5. ICSC - Italian Research Center on High Performance Computing, Big Data and Quantum Computing, Casalecchio di Reno Bologna 40033, Italy