1. Department of Physics, Queens College of CUNY, Queens, New York 11367, USA
2. The Graduate Center of CUNY, New York, New York 10016, USA
3. Department of Chemistry, City College of CUNY, New York, New York 10031, USA
4. National High Magnetic Field Laboratory, Tallahassee, Florida 32310, USA
5. Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
6. Evans Analytical Group, Sunnyvale, California 94086, USA