1. Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA.
2. Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
3. Departments of Civil and Environmental Engineering and Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA.
4. Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA.
5. Department of NanoEngineering, Program of Materials Science and Engineering, University of California San Diego, La Jolla, CA 92093, USA.
6. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095, USA.
7. Center for Materials Innovation, University of Maryland, College Park, MD 20742, USA.