1. Joint School of the National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
2. Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
3. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
4. Institute for Functional Intelligent Materials, National University of Singapore, Singapore 117544, Singapore
5. Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
6. Applied Materials─NUS Advanced Materials Corporate Lab, Singapore 117608, Singapore
7. Key Laboratory of Quantum Materials and Devices of Ministry of Education, School of Physics, Southeast University, Nanjing 211189, China
8. Agency for Science, Technology and Research, Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
9. Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore
10. School of Materials Science and Engineering, Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin 300350, People’s Republic of China