1. Physical Chemistry Division, Department of Chemistry, Ångström Laboratory, Uppsala University, 75120 Uppsala, Sweden
2. Solid State Physics and NanoLund, Lund University, Box 118, 22100 Lund, Sweden
3. Institute of Nuclear Physics, Polish Academy of Sciences, PL-31342 Krakow, Poland
4. Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
5. Materials Theory Division, Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden
6. Department of Materials Science and Engineering, Lehigh University, 5 East Packer Avenue, Bethlehem, Pennsylvania 18015, United States
7. Department of Chemistry, Qena Faculty of Science, South Valley University, 83523 Qena, Egypt
8. Department of Physics, Rice University, 6100 South Main Street, Houston, Texas 77251-1892, United States