Tunneling spectroscopy of bound and resonant states in superconducting proximity structures

Y. Levi, O. Millo*, N. D. Rizzo, D. E. Prober, L. R. Motowidlo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Scanning tunneling microscopy and spectroscopy are employed in order to map with nanometer resolution the local quasi-particle density of states in superconducting proximity structures. Our experimental configuration is unique, in that the tunneling current flows in parallel to the interfaces between different materials. We focus here on the measurement of bound and resonant states, arising from multiple Andreev reflections of quasi-particles propagating in a plane perpendicular to the tunneling current.

Original languageAmerican English
Pages (from-to)575-579
Number of pages5
JournalApplied Surface Science
Volume144-145
DOIs
StatePublished - Apr 1999

Keywords

  • Scanning tunneling microscopy
  • Superconductivity
  • Superconductor - Metal interfaces

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