Demonstration of all in situ magnesium diboride superconductor thin-film tunnel junctions

Tae Hee Kim, Jagadeesh S. Moodera

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

High-quality planar tunnel junctions of MgB 2 superconductor were investigated. The MgB 2 film surface quality and composition were determined by Auger electron spectroscopy. Two superconducting energy gaps due to the σ and π bands of MgB 2 were determined. Phonon structure were also observed during the tunneling process.

Original languageEnglish
Pages (from-to)434-436
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number3
DOIs
StatePublished - 19 Jul 2004

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