*Chi Ming Yim^1,2, Olivia R. Armitage², Dibyashree Chakraborti^2,3, Craig J. Wells², Seunghyun Khim³, Andrew Mackenzie^3,2, Peter Wahl² (1. Tsung Dao Lee Institute (China), 2. University of St Andrews (UK), 3. Max Planck Institute for Chemical Physics of Solids (Germany))

*Yuki Fukaya¹, Yuhao Zhao², Hyun-Woo Kim³, Joung Real Ahn³, Hirokazu Fukidome⁴, Iwao Matsuda² (1. JAEA (Japan), 2. Univ. of Tokyo (Japan), 3. Sungkyunkwan Univ. (Korea), 4. Tohoku Univ. (Japan))

Kanae Hirao¹, Yu Fukushima¹, *Naruo Sasaki¹ (1. The University of Electro-Communications (Japan))

Takushi Iimori¹, Hitoshi Imamura², Anton Visikovskiy², Toshio Miyamachi³, Miho Kitamura⁴, Koji Horiba⁴, Hiroshi Kumigashira^4,5, Kazuhiko Mase⁴, Kan Nakatsuji⁶, Satoru Tanaka², *Fumio Komori^1,3,6,7 (1. Inst. for Solid State Physics, Univ. of Tokyo (Japan), 2. Dep. of Appl. Quantum Phys. and Nuclear Eng., Kyushu Univ. (Japan), 3. Inst. of Materials and Systems for Sustainability, Nagoya Univ. (Japan), 4. Institute of Materials Structure Science, KEK (Japan), 5. Inst. of Multidisciplinary Res. for Adv. Materials, Tohoku Univ. (Japan), 6. Dep. of Material Sci. & Eng., Tokyo Inst. of Technology (Japan), 7. Inst. of Industrial Science, the Univ. of Tokyo (Japan))

*Jingsi Qiao¹ (1. Beijing Institute of Technology (China))

*Tomoo Terasawa^1,2, Kazuya Matsunaga³, Naoki Hayashi³, Takahiro Ito³, Shin-ichiro Tanaka⁴, Satoshi Yasuda¹, Hidehito Asaoka¹ (1. Japan Atomic Energy Agency (Japan), 2. Univ. of Tokyo (Japan), 3. Nagoya Univ. (Japan), 4. Osaka Univ. (Japan))

*Iwao Matsuda¹ (1. the Institute for Solid State Physics, the University of Tokyo (Japan))