1. Graduate
School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
2. The
Hakubi Center for Advanced Research, Kyoto University, Kyoto 606-8501, Japan
3. Electron
Microscopy for Materials Research (EMAT), University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
4. Skoltech
Center for Electrochemical Energy Storage, Skolkovo Institute of Science and Technology, Nobel Str. 3, 143026 Moscow, Russia
5. Nanostructures Research Laboratory, Nagoya 456-8587, Japan
6. Institute Laue-Langevin, 71 Avenue
des Martyrs, 38000 Grenoble, France
7. Center
for Neutron Research, National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, United States
8. CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan