1. Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
2. SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
3. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
4. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
5. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
6. Research Department, Sila Nanotechnologies, 2470 Mariner Square Loop, Alameda, CA 94501, USA