Transport properties of some superconducting multilayers

H. C. Yang, L. M. Wang, B. T. Su, H. H. Sung, H. E. Horng

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Transport properties of YBa2Cu3Oy/Nd0.7Sr 0.3MnO3 (YBCO/NSMO) multilayers and YBa2Ca3Oy/PrBa2Cu3O y (YBCO/PBCO) superlattices were measured to characterize the activation energy and the upper critical field. The activation energy of the superconducting multilayers decreases as the thickness of the NSMO layer or the PBCO layer becomes thicker and the superconducting YBCO layer gets thinner. Temperature-dependence of upper critical fields shows a crossover from three-dimensional (3D) to two-dimensional (2D) behavior in YBCO/NSMO multilayers as the thickness of the YBCO layer is decreased. The results are discussed.

    Original languageEnglish
    Pages (from-to)1889-1890
    Number of pages2
    JournalPhysica C: Superconductivity and its applications
    Volume341-348
    Issue numberPART 2
    DOIs
    Publication statusPublished - 2000 Jan 1

    ASJC Scopus subject areas

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

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