1. Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan and Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Mikazuki, Hyogo 679-5198, Japan
2. Faculty of Chemical Technology, Center of Materials and Nanotechnologies (CEMNAT), University of Pardubice, Legions Square 565, 530 02 Pardubice, Czech Republic
3. Nanoelectronics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8562, Japan
4. Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, Germany
5. Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Mikazuki, Hyogo 679-5198, Japan