1. Department for Hydrogen Technology, Institute for Energy Technology, P.O. Box 40, Kjeller NO-2027, Norway
2. Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, Villigen-PSI CH-5232, Switzerland
3. Chemistry Department and Center for Material Science and Nanotechnology, University of Oslo, Oslo NO-0315, Norway
4. Division for Research, Dissemination and Education, IT-department, University of Oslo, Oslo 0316, Norway
5. Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, Villigen-PSI CH-5232, Switzerland
6. Swiss-Norwegian Beam Lines at European Synchrotron Radiation Facility, 71 Avenue des Martyrs, Grenoble 38043, France