Properties of homogeneous Y1-xPrxBa2Cu3O7 alloy thin films prepared using layer by layer growth

A. D. Kent, J. M. Triscone, L. Antognazza, O. Brunner, Ch Renner, Ph Niedermann, M. G. Karkut, Fischer

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We report the superconducting properties of homogeneous highly oriented alloy thin films of Y1−xPrxBa2Cu3O7 prepared by a novel layer by layer method using do magnetron sputtering. As in the case of bulk material, we find a continuous suppression of the superconducting transition temperature with increasing Pr content, however, the resistive transition remains sharp. This implies that the alloying is uniform on the scale of the superconducting coherence length. Point contact tunneling measurements suggest that the superconducting gap is close to the BCS value and proportional to the transition temperature of the alloys.

    Original languageEnglish (US)
    Pages (from-to)1503-1504
    Number of pages2
    JournalPhysica B: Condensed Matter
    Volume165-166
    DOIs
    StatePublished - 1990

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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