1. Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
2. X-Ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
3. Shared Equipment Authority, Rice University, 6100 Main Street, Houston, Texas 77005, United States
4. Materials Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States