Charge transport in normal metal-magnesiumdiboride junctions

A. Brinkman*, S.H.W. van der Ploeg, A.A. Golubov, H. Rogalla, T.H. Kim, J.S. Moodera

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    11 Citations (Scopus)
    2 Downloads (Pure)


    The influence of the multiband nature of superconductivity in MgB 2 on the charge transport properties of MgB2 tunnel junctions and normal metal-MgB2 heterostructures has been theoretically modeled and experimentally explored. The conductance as function of barrier height and angle is calculated. Planar c-axis tunnel junctions are realized in which two gaps are resolved in the tunnel spectrum. For junctions with additional conductance in the direction of the crystallographic a-b plane we observe a sharp resonance that can possibly be attributed to a Leggett mode.

    Original languageEnglish
    Pages (from-to)407-411
    Number of pages5
    JournalJournal of physics and chemistry of solids
    Issue number1-3
    Publication statusPublished - Jan 2006


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