1. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973,
United States
2. Physics Department, New Jersey Institute of Technology, Newark, New Jersey
07102, United States
3. Materials
Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996,
United States
4. High Temperature
Materials Laboratory, Oak Ridge National Laboratory, Oak Ridge, Tennessee
37831, United States
5. Chemistry
Department, Brookhaven National Laboratory, Upton, New York 11973,
United States