Planar tunneling spectroscopic studies of splitting vs. non-splitting of the zero-bias conductance peak in YBa2Cu3O 7-* thin films

P. J. Hentges, L. H. Greene, G. Westwood, W. G. Klemperer

Research output: Contribution to journalConference articlepeer-review

Abstract

Planar tunneling spectroscopy is used to probe the near-surface density of states of YBCO thin films. A gentle solution-growth insulator deposition technique allows us to detect (1) the ZBCP up to the bulk Tc of the film; (2) new features and (3) orientation dependence of the gap-like feature. We propose that a narrow tunneling cone and reduced surface disorder contribute to our results.

Original languageEnglish (US)
Pages (from-to)801-803
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume408-410
Issue number1-4
DOIs
StatePublished - Aug 2004
EventProceedings of the International Conference on Materials - Rio de Janeiro, Brazil
Duration: May 25 2003May 30 2003

Keywords

  • Andreev bound states
  • Tunneling cone
  • Tunneling spectroscopy

ASJC Scopus subject areas

  • Condensed Matter Physics

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