1. Dipartimento di Ingegneria Meccanica e Aerospaziale, Sapienza Università di Roma, via Eudossiana 18, 00184 Rome, Italy
2. Institute of Physics, University of Silesia, 75 Pulku Piechoty 1, 41-500, Chorzow, Poland
3. Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
4. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
5. Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
6. Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742-2115, United States
7. Dipartimento di Scienze Chimiche e Farmaceutiche (DipSCF), Università degli Studi di Ferrara (Unife), Via Luigi Borsari 46, I-44121, Ferrara, Italy
8. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Alava Technology Park, Albert Einstein 48, 01510 Vitoria-Gasteiz, Spain