1. Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
2. Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
3. Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
4. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
5. Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
6. Department of Applied Physics, Stanford University, Stanford, California 94305, United States
7. George L. Clark X-Ray Facility and 3M Materials Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
8. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States