1. Nebraska Center for Materials
and Nanoscience, Department of Physics and Astronomy, Theodore Jorgensen
Hall, 855 North 16th Street, University of Nebraska—Lincoln, Lincoln, Nebraska 68588-0299, United States
2. CNRS, ICMCB, UPR
9048, F-33600 Pessac, France
3. Univ. Bordeaux, ICMCB, UPR 9048, F-33600
Pessac, France
4. CNRS, IPCMS, UMR 7504, 23 Rue du Loess, F-67034 Strasbourg,
France
5. Univ. Strasbourg, 23 Rue du Loess, F-67034 Strasbourg, France
6. Canadian Light Source Inc., University of Saskatchewan, 101 Perimeter Road, Saskatoon,
Saskatchewan, Canada S7N 0X4