1. Center for Neutron
Research, National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, United States
2. Materials Science and Engineering Department, University of Maryland, College Park, Maryland 20742, United States
3. Biology and
Soft Matter Division, Neutron Sciences Directorate, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
4. Department of Macromolecular Science & Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
5. Department
of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
6. Center for Nanoscale
Science and Technology, National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, United States
7. Department of Materials Science & Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, Pennsylvania 19104, United States
8. Department
of Electrical and Systems Engineering, University of Pennsylvania, 200
South 33rd Street, Philadelphia, Pennsylvania 19104, United States