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      Terahertz emitters and detectors based on carbon nanotubes

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          Abstract

          We formulate and justify several proposals utilizing the unique electronic properties of different types of carbon nanotubes for a broad range of applications to THz optoelectronics, including THz generation by hot electrons in quasi-metallic nanotubes, frequency multiplication in chiral-nanotube-based superlattices controlled by a transverse electric field, and THz radiation detection and emission by armchair nanotubes in a strong magnetic field.

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          Most cited references31

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          A Theory of the Electrical Breakdown of Solid Dielectrics

          C. Zener (1934)
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            High-Field Electrical Transport in Single-Wall Carbon Nanotubes

            Using low-resistance electrical contacts, we have measured the intrinsic high-field transport properties of metallic single-wall carbon nanotubes. Individual nanotubes appear to be able to carry currents with a density exceeding 10^9 A/cm^2. As the bias voltage is increased, the conductance drops dramatically due to scattering of electrons. We show that the current-voltage characteristics can be explained by considering optical or zone-boundary phonon emission as the dominant scattering mechanism at high field.
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              Impurity Scattering in Carbon Nanotubes – Absence of Back Scattering –

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                Author and article information

                Journal
                28 August 2006
                Article
                10.1117/12.680085
                cond-mat/0608596
                1ffbcdc6-8cbc-4830-b7a1-7d631ca3d71a
                History
                Custom metadata
                Proc. SPIE 6328, 632805 (2006)
                Keynote lecture at Nanomodeling II Conference (Annual SPIE Meeting, San Diego, August 2006). A slightly shorter version will be published in Proceedings of SPIE
                cond-mat.mtrl-sci

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