Quantum interference and ballistic transmission in nanotube electron waveguides

J. Kong, E. Yenilmez, T. W. Tombler, W. Kim, H. Dai, R. B. Laughlin, L. Liu, C. S. Jayanthi, S. Y. Wu

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Abstract

Transport data was obtained with samples of individual metallic single-walled carbon nanotubes (SWNTs) with highly transparent contacts T ∼ 1. It was shown that for titanium contacted metallic SWNTs, a fraction of them show negative dG(T)/dT behavior. At low temperature, 2G0=4e2 was measured with these samples. Phase coherent electron transport, confined standing waves, and localized states in the nanotubes lead to Fermi energy dependent quantum interference and resonance phenomena.

Original languageEnglish
Article number106801
Pages (from-to)106801/1-106801/3
JournalPhysical review letters
Volume87
Issue number10
Publication statusPublished - 2001 Sep 3

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Kong, J., Yenilmez, E., Tombler, T. W., Kim, W., Dai, H., Laughlin, R. B., Liu, L., Jayanthi, C. S., & Wu, S. Y. (2001). Quantum interference and ballistic transmission in nanotube electron waveguides. Physical review letters, 87(10), 106801/1-106801/3. [106801].