1. Department of Physics and Astronomy, University of Wyoming, Laramie, Wyoming 82071, United States
2. Department of Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
3. Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
4. Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
5. Department of Chemical and Biomedical Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
6. Center for Quantum Information Science and Engineering, University of Wyoming, Laramie, Wyoming 82071, United States