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Negative Differential Conductance And Hot Phonons In Suspended Nanotube Molecular Wires

PHYSICAL REVIEW LETTERS, no. 15 (2005): 155505-155505

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pubmed.ncbi.nlm.nih.gov academic.microsoft.com arxiv.org

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electron scatteringelectron transportthermal conductivityelectric field

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Freely suspended metallic single-walled carbon nanotubes (SWNTs) exhibit reduced current carrying ability compared to those lying on substrates, and striking negative differential conductance at low electric fields. Theoretical analysis reveals significant self-heating effects including electron scattering by hot nonequilibrium optical ph...更多

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