1. Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
3. Department of Physics, Coe College, Cedar Rapids, Iowa 52402, United States
4. School of Materials Science and Engineering, Qilu University of Technology, Jinan, 250353, China
5. Department of Civil and Environmental Engineering, University of California, Los Angeles, California 90095, United States