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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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摘要
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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