Superconductivity in thin films of boron-doped carbon nanotubes

N. Murata, J. Haruyama, J. Reppert, A. M. Rao, T. Koretsune, S. Saito, M. Matsudaira, Y. Yagi

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)

Abstract

Superconductivity in carbon nanotubes (CNTs) is attracting considerable attention. However, its correlation with carrier doping has not been reported. We report on the Meissner effect found in thin films consisting of assembled boron (B)-doped single-walled CNTs (B-SWNTs). We find that only B-SWNT films consisting of low boron concentration leads to evident Meissner effect with Tc=12K and also that a highly homogeneous ensemble of the B-SWNTs is crucial. The first-principles electronic-structure study of the B-SWNTs strongly supports these results.

Original languageEnglish
Article number027002
JournalPhysical Review Letters
Volume101
Issue number2
DOIs
Publication statusPublished - 2008 Jul 10
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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