1. Department
of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, United States
2. Chemistry
Department, Brookhaven National Laboratory, Building 555, Upton, New York 11973, United States
3. Department
of Physics, Yeshiva University, New York, New York 10016, United States
4. Center
for Functional Nanomaterials, Brookhaven National Laboratory, Building 735, Upton, New
York 11973, United States
5. Department
of Chemistry, The University of Texas at Austin, Austin, Texas 78712-1224, United States
6. Condensed
Matter Physics and Materials Science Department, Brookhaven National Laboratory, Building 480, Upton, New
York 11973, United States