1. Institute for Energetics and Interphases, National Research Council, Via De Marini 6, I-16149 Genoa, Italy
2. INRS-Energie, Matériaux et Telécommunications, University of Québec, 1650 boul. Lionel-Boulet, Varennes, Quebec, Canada J3X 1S2
3. Department of Earth Sciences, University of Milano, Via Botticelli 23, I-20133 Milano, Italy
4. Department of Chemical and Process Engineering, University of Genoa, Piazzale Kennedy, I-16129 Genoa, Italy