1. Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, United States
3. Department of Physics & Astronomy, James Madison University, Harrisonburg, Virginia 22807, United States
4. Department of Materials Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
5. 2D Crystal Consortium, Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
6. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
7. Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, United States