*Hikari Yoshioka¹, Satoshi Tominaka², Ben Slater⁴, Hideo Hosono³, Takahiro Kondo¹ (1. Tsukuba Univ. (Japan), 2. NIMS (Japan), 3. Tokyo Institute of Technology Univ. (Japan), 4. UCL (UK))

*Haruki Kusaka¹, Ryota Ishibiki¹, Masayuki Toyoda², Takeshi Fujita³, Tomoharu Tokunaga⁴, Akiyasu Yamamoto^5,6, Masashi Miyakawa⁷, Kyosuke Matsushita⁸, Keisuke Miyazaki⁹, Linghui Li Satish Laxman Shinde^1,10, Takeaki Sakurai^11,12, Eiji Nishibori^12,13, Takuya Masuda⁸, Koji Horiba¹⁴, Kenji Watanabe⁷, Susumu Saito^15,6,2, Masahiro Miyauchi⁹, Takashi Taniguchi¹⁶, Hideo Hosono^16,6, Takahiro Kondo^6,10,12 (1. Graduate School of Pure and Applied Sciences, Univ. of Tsukuba (Japan), 2. Department of Physics, Tokyo Inst. of Tech. (Japan), 3. School of Environmental Sci. and Engineering, Kochi Univ. of Tech. (Japan), 4. Graduate School of Engineering Materials Design Innovation Engineering, Nagoya Univ. (Japan), 5. Inst. of Engineering, Tokyo Univ. of Agriculture and Tech. (Japan), 6. Materials Research Centre for Element Strategy, Tokyo Inst. of Tech. (Japan), 7. Res. Center for Functional Materials, National Inst. for Materials Sci. (Japan), 8. Center for Green Research on Energy and Environmental Materials, National Institute for Materials Science (Japan), 9. Department of Materials Sci. and Engineering, School of Materials and Chemical Tech., Tokyo Inst. of Tech. (Japan), 10. Department of Materials Sci., Faculty of Pure and Applied Sci. (Japan), 11. Department of Applied Sci., Faculty of Pure and Applied Sci., Univ. of Tsukuba (Japan), 12. Tsukuba Res. Center for Energy Materials Sci., Faculty of Pure and Applied Sci., Univ. of Tsukuba (Japan), 13. Department of Physics, Faculty of Pure and Applied Sci., Univ. of Tsukuba (Japan), 14. Condensed Matter Res. Center and Photon Factory, Inst. of Materials Structure Sci., High Energy Accelerator Res. Organization (KEK) (Japan), 15. Advanced Res. Center for Quantum Physics and NanoSci., Tokyo Inst. of Tech. (Japan), 16. Int’l. Center for Materials Nanoarchitectonics, National Inst. for Materials Sci. (Japan))

*Kohei Yoshimatsu^1,2, Naoto Hasegawa¹, Yusuke Nambu^3,4,5, Yuta Ishii⁶, Yusuke Wakabayashi^2,6, Hiroshi Kumigashira^1,2,7 (1. IMRAM, Tohoku Univ. (Japan), 2. MCES, Tokyo Inst. of Tech (Japan), 3. IMR, Tohoku Univ. (Japan), 4. FOREST, JST (Japan), 5. OAS, Tohoku Univ. (Japan), 6. Department of Physics, Tohoku Univ. (Japan), 7. IMSS, KEK (Japan))

*Kohei Aso¹, Shotaro Yoshimaru², Hirokazu Kobayashi³, Miho Yamauchi^2,4, Hiroshi Kitagawa³, Syo Matsumura^2,5, Yoshifumi Oshima¹ (1. Japan Advanced Inst. of Sci. and Tech. (Japan), 2. Kyushu Univ. (Japan), 3. Kyoto Univ. (Japan), 4. Int'l. Inst. for Carbon-Neutral Energy Res. (Japan), 5. The Ultramicroscopy Res. Center (Japan))

*Miho Kitamura¹, Koji Horiba¹, Masaki Kobayashi¹, Makoto Minohara¹, Enju Sakai¹, Ryu Yukawa¹, Hiroshi Fujioka², Hiroshi Kumigashira^3,1 (1. KEK (Japan), 2. Univ. of Tokyo (Japan), 3. Tohoku Univ. (Japan))

*Yoshifumi Sakaguchi¹, Takayasu Hanashima¹, Satoshi Kasai¹, Al-Amin Amed Simon², Maria Mitkova² (1. CROSS (Japan), 2. Boise State University (United States of America))

*Jiaming LIU¹, Jiaqi Zhang¹, Toyoko Arai², Masahiko Tomitori¹, Yoshifumi Oshima¹ (1. Japan Adv. Inst. Sci. & Technol. (Japan), 2. Kanazawa Univ. (Japan))

*Ryo Murakami¹, Kenji Nagata², Hideki Yoshikawa², Hiroshi Shinotsuka², Hayaru Shouno¹ (1. The University of Electro-Communications (Japan), 2. NIMS (Japan))