Nonlinear charging, and transport times in doped nanotubes junctions

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The nonlinear capacitance in doped nanotube junctions is calculated self consistently. It decreases as a function of the applied bias when the latter becomes larger than the pseudogap of the nanotube. For this device, one can deduce a relaxation time of about 0.1 femtosecond. Because of its negative differential resistance (NDR), a switching time of less than a fs can also be deduced.
Letter with 3 .ps figures

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Materials Science, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/19234

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0204609
 http://arxiv.org/abs/cond-mat/0204609

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arXiv