1. Joint
Institute for Neutron Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
2. Chemical
and Materials Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
3. Department
of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
4. Quantum
Condensed Matter Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak
Ridge, Tennessee 37831, United States
5. Jülich
Centre for Neutron Science (JCNS), Forschungszentrum Jülich, D-52425 Jülich, Germany
6. Chemical
and Engineering Materials Division, Neutron Sciences Directorate,
and JCNS Outstation at the Spallation Neutron Source (SNS), Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
7. Biology
and Soft Matter Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
8. The
Department of Physics and Astronomy, University of Tennessee, Knoxville, Knoxville, Tennessee 37996, United States