1. Department of Physics, Brooklyn College of the City University of New York, Brooklyn, NY, USA
2. Ph.D. Program in Physics, The Graduate Center of the City University of New York, New York, NY, USA
3. Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY, USA
4. Department of Chemistry, Lehman College of the City University of New York, Bronx, NY, USA