1. International Center for Materials Nanoarchitectonics
(WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
2. Materials Theory, ETH Zürich, Wolfgang-Pauli-Strasse 27, Zürich 8093, Switzerland
3. Materials
Analysis Station, National Institute for Materials Science, 1-2-1
Sengen, Tsukuba, Ibaraki 305-0047, Japan
4. Department
of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 119992 Moscow, Russia