1. CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
2. INAMORI Frontier Research Center, Kyushu University, 744 Motooka, Nishiku, Fukuoka 819-0395, Japan
3. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
4. Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
5. Hefei National Laboratory of Physical Science at the Micro-scale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China