1. Stanford PULSE Institute, SLAC National Accelerator Laboratory 1 , Menlo Park, California 94025, USA
2. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory 2 , Menlo Park, California 94025, USA
3. Department of Physics, Stanford University 3 , Stanford, California 94305, USA
4. Tyndall National Institute and Department of Physics, University College 4 , Cork, Ireland
5. Departments of Physics and Materials, Imperial College London 5 , London SW7 2AZ, United Kingdom
6. Department of Applied Physics, Stanford University 6 , Stanford, California 94305, USA
7. Department of Materials Science and Engineering, Stanford University 7 , Stanford, California 94305, USA
8. Linac Coherent Light Source, SLAC National Accelerator Laboratory 8 , Menlo Park, California 94025, USA
9. Department of Mechanical Engineering and Materials Science, Duke University 9 , Durham, North Carolina 27708, USA
10. Materials Science and Technology Division, Oak Ridge National Laboratory 10 , Oak Ridge, Tennessee 37831, USA
11. Department of Physics, University of Michigan 11 , Ann Arbor, Michigan 48109, USA