1. Institut des
Sciences Chimiques
de Rennes, Université de Rennes 1, UMR CNRS-UR1 6226, Campus de Beaulieu, Bât 10B, 35042 Rennes
Cedex, France
2. Laboratory
for Neutron Scattering, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
3. European Synchrotron Radiation Facility, ID11, Grenoble, France
4. Departamento de Fisica de la
Materia Condensada, Facultad de Ciencias, Universidad del Pais Vasco, UPV/EHU Apdo. 664, E-48080 Bilbao, Spain
5. Institute of Inorganic Synthesis,
Faculty of Engineering, Yamanashi University, Miyamae-cho 7, Kofu 400, Japan
6. Institut Charles Gerhardt, Université de Montpellier, UMR 5253 CNRS-ENSCM-UM2-UM1,
8 rue de l’Ecole Normale, 34296 Montpellier, France