Koga Takaaki | NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan

Institut Fur Schichten Und Grenzflachen Forschungszentrum

NTT Basic Research Laboratories, NTT Corporation

Center for New Material, Japan Advanced Institute of Science and Technology

Nanostructure And Material Property Presto Japan Science And Technology Agency

Center For New Material Japan Advanced Institute Of Science And Technology

Imaging Science And Engineering Laboratory Tokyo Institute Of Technology

Imaging Science And Engineering Laboratory Tokyo Institute Of Technology

NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan

Nanostructure and Material Property, PRESTO, Japan Science and Technology Agency, 4-1-8 Honchou, Kawaguchi, Saitama 332-0012, Japan

Imaging Science and Engineering Laboratory, Tokyo Institute of Technology, 4259 Nagatsuda, Midori-ku, Yokohama, Kanagawa 226-8503, Japan

NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan