1. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL 32306, USA
2. National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA
3. FAMU-FSU College of Engineering, Tallahassee, FL 32310, USA
4. Center for Nanoscale Materials, Argonne National Laboratory, Lemont, IL 60439, USA