1. Advanced Imaging & Microscopy Laboratory, Maryland NanoCenter, Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742, USA
2. Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
3. Materials Characterization Facility, Texas A&M University, College Station, TX 77845, USA
4. Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
5. Institute of Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
6. Taiwan Consortium of Emergent Crystalline Materials, Ministry of Science and Technology, Taipei 10622, Taiwan