1. Laboratory for Molecular
Magnetism (LA.M.M.), Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze via della Lastruccia 3-13, I-50019 Sesto Fiorentino, Italy
2. INSTM Research Unit of Firenze, via della Lastruccia 3, I-50019 Sesto Fiorentino, Italy
3. European Synchrotron Radiation Facility, 71 Av. Martyrs, F-38043 Grenoble 9, France
4. Institut de Mineralogie, de Physique des Materiaux et de Cosmochimie, UMR 7590, CNRS, UPMC, IRD, MNHN, F-75005 Paris, France
5. Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin—BP 48, F-91192 Gif-sur-Yvette, France