1. Nanotechnology Research Centre National Research Council of Canada Edmonton AB T6G 2M9 Canada
2. Department of Chemical and Materials Engineering University of Alberta Edmonton AB T6G 1H9 Canada
3. Texas Instruments Dallas TX 75243 USA
4. Department of Mechanical Engineering University of Alberta Edmonton AB T6G 1H9 Canada
5. Energy, Mining and Environment (EME) Research Centre National Research Council of Canada Ottawa K1A 0R6 Canada
6. Department of Physics University of Alberta Edmonton AB T6G 2E1 Canada
7. Department of Chemical and Biological Engineering University at Buffalo The State University of New York Buffalo NY 14260 USA
8. Department of Materials Science and Engineering Indian Institute of Technology, Delhi Hauz Khas New Delhi ‐110016 India