Institution: | 1. Research Center for Low Temperature and Materials Science, Kyoto University, Yoshida‐honmachi, Sakyo, Kyoto, Japan;2. Department of Materials Science and Engineering, Kyoto University, Yoshida‐honmachi, Sakyo, Kyoto, Japan;3. Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, Shanghai, P.R. China;4. Toray Research Center, Inc., Sonoyama, Otsu, Shiga, Japan |