Negative differential resistance in nanotube devices

Details Negative differential resistance in nanotube devices Negative differential resistance in nanotube devices

2000-10-27

arxiv.org/abs/cond-mat/0010456v1

Physics

Condensed Matter

4 pages, 4 figures, to appear in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.85.4767

Carbon nanotube junctions are predicted to exhibit negative differential resistance, with very high peak-to-valley current ratios even at room temperature. We treat both nanotube p-n junctions and undoped metal-nanotube-metal junctions, calculating quantum transport through the self-consistent potential within a tight-binding approximation. The undoped junctions in particular may be suitable for device integration.

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