1. Department
of Physics, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, N-7491 Trondheim, Norway
2. Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
3. Imaging and Structural Analysis
Programme, Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399,
DK-4000 Roskilde, Denmark