1. Laboratory for Waste Management, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
2. Institute of Geological Sciences, University of Bern, Baltzerstrasse 1-3, 3012 Bern,
Switzerland
3. Université
Blaise Pascal, Clermont Université, Institut de Chimie de Clermont-Ferrand,
BP 10448, F-63000 Clermont-Ferrand, France
4. CNRS, UMR 6002, Laboratoire
des Matériaux Inorganiques, F-63177
Aubière, France
5. Department of Chemistry, Division
of Molecular and Nanomaterials, Catholic University of Leuven, Dutch-Belgium Beamline, European Synchrotron
Radiation Facility, BP 220, 38043 Grenoble, France
6. European Commission, Joint Research
Centre, Institute for Transuranium Elements, P.O. Box 2340, D-76125 Karlsruhe, Germany