1. Department of Physics, University of California Berkeley, Berkeley, CA 94720, USA.
2. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
3. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, CA 94720, USA.
4. Graduate Group in Applied Science and Technology, University of California Berkeley, Berkeley, CA 94720, 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. School of Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ 85287, USA.
8. Synchrotron-SOLEIL and Université Paris-Saclay Saint-Aubin, BP48, F91192 Gif sur Yvette Cedex, France.
9. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
10. Kavli Energy NanoSciences Institute at the University of California Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.