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Novel Length Scales in Nanotube Devices
Abstract
We calculate the properties of $p\ensuremath{-}n$ junctions, $n\ensuremath{-}i$ junctions, and Schottky barriers made on a single-wall carbon nanotube. In contrast to planar bulk junctions, the depletion width for nanotubes varies exponentially with inverse doping. In addition, there is a very long-range (logarithmic) tail in the charge distribution, extending over the entire tube. These effects can render traditional devices unworkable, while opening new possibilities for device design. Our general conclusions should apply to a broad class of nanotube heterojunctions, and to other quasi-one-dimensional ``molecular wire'' devices.
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Cited by
Maximally localized Wannier functions: Theory and applications
Marzari, N., Mostofi, A. A., Yates, J. R., Souza, I., & Vanderbilt, D. (2012) · Reviews of Modern Physics · doi:10.1103/revmodphys.84.1419 · Cited by 3,283
Deng, J., & Wong, H.-S. P. (2007) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2007.909043 · Cited by 746
Controlling doping and carrier injection in carbon nanotube transistors
Derycke, V., Martel, R., Appenzeller, J., & Avouris, P. (2002) · Applied Physics Letters · doi:10.1063/1.1467702 · Cited by 667
Modulated Chemical Doping of Individual Carbon Nanotubes
Zhou, C., Kong, J., Yenilmez, E., & Dai, H. (2000) · Science · doi:10.1126/science.290.5496.1552 · Cited by 658
Role of Metal Contacts in High-Performance Phototransistors Based on WSe2 Monolayers
Zhang, W., Chiu, M.-H., Chen, C.-H., Chen, W., Li, L.-J., & Wee, A. T. S. (2014) · ACS Nano · doi:10.1021/nn503521c · Cited by 438
Metadata
- Authors
- Léonard, F., & Tersoff, J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1999-12-13
- Volume
- 83
- Issue
- 24
- Pages
- 5174-5177
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2031529148
- Cited by
- 303
- References
- 0
- FWCI
- 10.29
- Type
- journal article
- Language
- en
- Open access
- closed
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