Enhancement of the current density J C for Bi 2Sr 2CaCu 2O 8 by means of carbon and NbSe 2 nanotubes

D. H. Galvan, A. Durán, F. F. Castillón, E. Adem, R. Escudero, D. Ferrer, A. Torres, M. José-Yacamán

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Three polycrystalline Bi 2Sr 2CaCu 2O 8, Bi 2Sr 2CaCu 2O 8 with carbon nanotubes, Bi 2Sr 2CaCu 2O 8 with NbSe 2 nanotubes were synthesized by solid state reaction method and studied by scanning electron microscopy, X-ray diffraction, magnetization measurements, and high resolution transmission electron microscopy. The critical temperature T C for the three compounds was about 85 K. There is an enhancement in the critical current density, J C for samples with carbon and NbSe 2 nanotubes as compared with pure Bi 2Sr 2CaCu 2O 8. The enhancement provides evidence that wetting exists for the two doped samples investigated.

Original languageEnglish (US)
Pages (from-to)271-277
Number of pages7
JournalJournal of Superconductivity and Novel Magnetism
Volume21
Issue number5
DOIs
StatePublished - Jul 2008
Externally publishedYes

Keywords

  • Nanotubes
  • Superconductivity
  • Wetting

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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