Band structure, phonon scattering, and the performance limit of single-walled carbon nanotube transistors.
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Semiconducting single-walled carbon nanotubes are studied in the diffusive transport regime. The peak mobility is found to scale with the square of the nanotube diameter and inversely with temperature. The maximum conductance, corrected for the contacts, is linear in the diameter and inverse temperature. These results are in good agreement with theoretical predictions for acoustic phonon scattering in combination with the unusual band structure of nanotubes. These measurements set the upper bound for the performance of nanotube transistors operating in the diffusive regime.
Published Version (Please cite this version)10.1103/PhysRevLett.95.146805
Publication InfoZhou, Xinjian; Park, Ji-Yong; Huang, Shaoming; Liu, Jie; & McEuen, Paul L (2005). Band structure, phonon scattering, and the performance limit of single-walled carbon nanotube transistors. Phys Rev Lett, 95(14). pp. 146805. 10.1103/PhysRevLett.95.146805. Retrieved from https://hdl.handle.net/10161/16049.
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George Barth Geller Distinguished Professor of Chemistry
Dr. Liu’s research interests are focusing on the chemistry and material science of nanoscale materials. Specific topics in his current research program include: Self-assembly of nanostructures; Preparation and chemical functionalization of single walled carbon nanotubes; Developing carbon nanotube based chemical and biological sensors; SPM based fabrication and modification of functional nanostructures.