1. Dipartimento di Fisica dell’Università di Genova, via Dodecaneso 33, Genova 16146, Italy
2. Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, Japan 904-0495
3. CNR-IMEM, via Dodecaneso 33, Genova 16146, Italy
4. Nanoparticles by Design Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami-gun, Okinawa, Japan 904-0495