1. Department of Physics University of Washington Seattle WA 98195 USA
2. Department of Materials Science and Engineering Southern University of Science and Technology Shenzhen Guangdong 518055 China
3. Shenzhen Key Laboratory of Nanobiomechanics Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen Guangdong 518055 China
4. Department of Chemistry University of Washington Seattle WA 98195 USA
5. Research Center for Functional Materials National Institute for Materials Science 1‐1 Namiki Tsukuba 305‐0044 Japan
6. International Center for Materials Nanoarchitectonics National Institute for Materials Science 1‐1 Namiki Tsukuba 305‐0044 Japan
7. Department of Materials Science and Engineering University of Washington Seattle WA 98195 USA
8. Guangdong Provisional Key Laboratory of Functional Oxide Materials and Devices Southern University of Science and Technology Shenzhen Guangdong 518055 China