1. Department of Chemistry, NIS Centre and INSTM Reference CenterUniversity of Turin Via Giuria 7 Turin 10125 Italy
2. European Synchrotron Radiation Facility 71 Avenue des Martyrs, CS 40220 Grenoble Cedex 9 38043 France
3. Umicore Denmark ApS Nøjsomhedsvej 20 Kgs. Lyngby 2800 Denmark