Effective surface impedance of a high-temperature superconducting film in semiconductor plasma substrate at mid-infrared frequency

Chien-Jang Wu, Yao Li Chen, Tzong Jer Yang

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    The effective surface impedance of a high-temperature superconducting thin film on a semiconductor plasma substrate is calculated. Two possible configurations are considered. The first one is a superconducting film deposited on a semi-infinite semiconductor substrate. It is seen that there exists a critical film thickness for the superconductor such that a minimum effective surface resistance is attained. The effective surface resistance is strongly dependent on the high-frequency permittivity of semiconductor plasma. The second will be limited to the more practical case, that is, the semiconductor substrate is of finite thickness. The investigation of substrate resonance in the effective surface resistance shows some fundamental distinctions when a semiconductor plasma substrate is introduced.

    Original languageEnglish
    Pages (from-to)545-550
    Number of pages6
    JournalJournal of Superconductivity and Novel Magnetism
    Volume23
    Issue number4
    DOIs
    Publication statusPublished - 2010 May 1

    Fingerprint

    Semiconductor plasmas
    semiconductor plasmas
    Superconducting films
    superconducting films
    Surface resistance
    impedance
    Infrared radiation
    Substrates
    Temperature
    Semiconductor materials
    Superconducting materials
    Film thickness
    Permittivity
    film thickness
    permittivity
    thin films
    configurations

    Keywords

    • High-temperature superconductors
    • Impedance transform technique
    • Semiconductor plasmas
    • Surface impedance

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

    Cite this

    Effective surface impedance of a high-temperature superconducting film in semiconductor plasma substrate at mid-infrared frequency. / Wu, Chien-Jang; Chen, Yao Li; Yang, Tzong Jer.

    In: Journal of Superconductivity and Novel Magnetism, Vol. 23, No. 4, 01.05.2010, p. 545-550.

    Research output: Contribution to journalArticle

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