1. Department
of Chemistry, University of Houston, 136
Fleming Building, Houston
Texas 77204-5003, United States
2. Texas Center for Superconductivity, University of Houston, 2002 Houston Science Centre,
Houston, Texas 77204-5002, United States
3. Department of Physics, University of Houston, 617 Science & Research Building 1, Houston, Texas 77204-5005, United States