1. Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
2. Department of Mechanical and Industrial Engineering, NTNU, Trondheim 7491, Norway
3. Department of Mechanical Engineering, Stanford University, Stanford, California 94305, United States
4. Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
5. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
6. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States