Author Affiliations

Ken Onda,^*,1 Sho Ogihara,² Jiro Itatani,³ Tadahiko Ishikawa,² Yoichi Okimoto,² Shinya Koshihara,² Xiangfeng Shao,^4,5 Yoshiaki Nakano,⁴ Hideki Yamochi,⁴ and Gunzi Saito⁶

¹Department of Environmental Chemistry and Engineering, Tokyo Institute of Technology, Japan

²Department of Materials Science, Tokyo Institute of Technology, Japan

³The Institute of Solid State Physics, The University of Tokyo, Japan

⁴Research Center for Low Temperature and Materials Sciences, Kyoto University, Japan

⁵School of Chemistry and Chemical Engineering, Lanzhou University, China

⁶Research Institute, Meijo University, Japan

^*Corresponding author: konda@chemenv.titech.ac.jp