1. Department of Civil & Environmental Engineering, University of Houston, Houston, Texas 77004, United States
2. Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri 63130, United States
3. Department of Earth and Planetary Sciences, Washington University in St. Louis, St. Louis, Missouri 63130, United States
4. X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States