Dimensionality of flux pinning in various superconducting YBCO/PYBCO superlattices

Shieh-Yueh Yang, Herng-Er Horng, Hong-Chang Yang

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Angular dependent of critical current densities Jc(θ) for a 960 Å-thick pure YBa2Cu3O7-y thin film (denoted by sample A) and the YBa2Cu3O7-y/Pr0.5Y 0.5Ba2Cu3O7-y superlattices with 960 Å total thickness of YBa2Cu3O7-y layers (denoted by samples B, C and D) under the magnetic field H = 0.1 T at the reduced temperature t = 0.92 was measured to investigate the dimensionality of the flux pinning. Samples B, C and D in our study are (120Å/24Å)×8, (60Å/24Å)×16 and (48Å/24Å)×20 respectively. In this report, it is found that the dimensionality of the flux pinning deviates from 2D for the sample A whereas it shows a 2D behavior for the sample B. Moreover, the dimensionality of the flux pinning deviates from 2D gradually for samples C and D. The cause will be discussed.

    Original languageEnglish
    Pages (from-to)1997-1998
    Number of pages2
    JournalPhysica C: Superconductivity and its Applications
    Volume282
    Issue numberPART 4
    DOIs
    Publication statusPublished - 1997 Jan 1

    Fingerprint

    Flux pinning
    flux pinning
    Superlattices
    superlattices
    Magnetic fields
    Thin films
    barium copper yttrium oxide
    critical current
    current density
    Temperature
    causes
    thin films
    magnetic fields

    ASJC Scopus subject areas

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

    Cite this

    Dimensionality of flux pinning in various superconducting YBCO/PYBCO superlattices. / Yang, Shieh-Yueh; Horng, Herng-Er; Yang, Hong-Chang.

    In: Physica C: Superconductivity and its Applications, Vol. 282, No. PART 4, 01.01.1997, p. 1997-1998.

    Research output: Contribution to journalArticle

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