1. Center for Quantum Materials Synthesis and Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
2. Department of Physics and Astronomy, Rice University, Houston, Texas 77005, United States
3. Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, New York 11973, United States
4. Department of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States