1. Department of Physics and Materials Research Laboratory, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
2. Carl Zeiss X-ray Microscopy Inc., Pleasanton, California 94588, United States
3. Department of Materials Science and Engineering and Materials Research Laboratory, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
4. Beckman Institute, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
5. National Center for Supercomputing Applications, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States