1. Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States
2. Departamento de Ciencias Físicas, Universidad Andres Bello, Santiago 837-0136, Chile
3. Department of Physics, University of California, Berkeley, California 94720, United States
4. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. National Synchrotron Radiation Laboratory and CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
6. School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, China
7. Department of Materials Science and Engineering, Hubei University, Wuhan 430062, China
8. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
9. X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States
10. Kavli Energy NanoScience Institute at Berkeley, Berkeley, California 94720, United States