1. Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
2. Department of Mechanical Engineering and Department of Chemical and Biomolecular Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 00852, People’s Republic of China
3. Institute for Problems of Materials Science, National Academy of Science of Ukraine, 3, Krjijanovskogo Street, Kiev, Ukraine 03412
4. Institute of Semiconductor Physics, National Academy of Science of Ukraine, 41, Pr. Nauki, Kiev, Ukraine 03028
5. Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
6. Department of Materials Science and Engineering, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States