1. Department of Electrical and Computer Engineering Rice University Houston TX 77005 USA
2. Applied Physics Graduate Program, Smalley–Curl Institute Rice University Houston TX 77005 USA
3. Smalley–Curl Institute Rice University Houston TX 77005 USA
4. Physics and Astronomy University of California Riverside CA 92521 USA
5. Institute for Materials Research Tohoku University Sendai 980‐8577 Japan
6. DEVCOM Army Research Laboratory‐South Houston TX 77005 USA
7. Department of Physics and Astronomy Rice University Houston TX 77005 USA
8. Department of Material Science and NanoEngineering Rice University Houston TX 77005 USA