1. SPIN-CNR, Corso F.M. Perrone 24, 16152 Genova, Italy
2. Physics Department and the Centre for the Physics of Materials, McGill University, 3600 University St., Montreal, Quebec, Canada, H3A 2T8
3. Department of Physics, CAB-CNEA, CONICET, 8400 San Carlos de Bariloche, Argentina
4. Institut Laue – Langevin, 71 Avenue des Martyrs, 38042 Grenoble Cedex 9, France
5. Institute of Materials Science, TU Bergakademie Freiberg, Gustav-Zeuner-Str. 5, D-09599 Freiberg, Germany
6. Faculty of Humanities and Natural Sciences, University of Prešov, 17. novembra 1, Prešov, Slovakia
7. Department of Chemistry and Industrial Chemistry, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy