1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, Austin, TX 78712, USA.
2. Institute of High Performance Computing, A*STAR, 138632, Singapore.
3. Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.
4. Department of Mechanical Engineering and Materials Science, and Department of Chemistry, Rice University, Houston, TX 77005, USA.
5. Department of Physics, The University of Texas at Austin, Austin, TX 78712, USA.
6. Sandia National Laboratories, Livermore, CA 94550, USA.
7. Microelectronics Research Center, The University of Texas at Austin, Austin, TX 78758, USA.
8. Department of Physics, Columbia University, New York, NY 10027, USA.
9. Texas Instruments, Dallas, TX 75243, USA.