1. Departments of Chemistry, Biochemistry and Molecular Biology, and Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka, Fukuoka 812-0053, Japan
3. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
4. National Institute of Standards and Technology Center for Neutron Research, Gaithersburg, Maryland 20899, United States
5. Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States