Superconductivity in 4 angstrom single-walled carbon nanotubes

Z. K. Tang, L. Zhang, N. Wang, Xixiang Zhang, G. H. Wen, G. D. Li, J. N. Wang, C. T. Chan, P. Sheng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

643 Scopus citations

Abstract

Investigation of the magnetic and transport properties of single-walled small-diameter carbon nanotubes embedded in a zeolite matrix revealed that at temperatures below 20 kelvin, 4 angstrom tubes exhibit superconducting behavior manifest as an anisotropic Meissner effect, with a superconducting gap and fluctuation supercurrent. The measured superconducting characteristics display smooth temperature variations owing to one-dimensional fluctuations, with a mean-field superconducting transition temperature of 15 kelvin. Statistical mechanic calculations based on the Ginzburg-Landau free-energy functional yield predictions that are in excellent agreement with the experiments.

Original languageEnglish (US)
Pages (from-to)2462-2465
Number of pages4
JournalScience
Volume292
Issue number5526
DOIs
StatePublished - Jun 29 2001

ASJC Scopus subject areas

  • General

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