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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  The temperature dependence of resonant frequency shift in microwave cavity for high Tc superconductors


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/54809


    Title: The temperature dependence of resonant frequency shift in microwave cavity for high Tc superconductors
    Authors: Li-Yeat Chen;Juh-Tzeng Lue
    教師: 呂助增
    Date: 1994
    Publisher: Elsevier
    Relation: Solid State Communications, Elsevier, Volume 90, Issue 7, May 1994, Pages 451-454
    Keywords: microwave cavity
    high Tc superconductors
    Abstract: The dispersive detection of an electron-spin resonance spectrometer is far more sensitive than the conventional absorptive detection. It has been successfully exploited to verify the superconducting state for the recently developed high Tc superconductors by the observation of resonant frequency shift in a TE102 microwave cavity. We attribute the increase of resonant frequency as temperature decreases to be due to the Meissner effect for T < Tc and the skin-depth effect for T > Tc. The temperature dependence of penetration depth λ(T) following the Casimir-Gorter relation is not adequate to account for the frequency drift at T below Tc, while it can be elucidated more fully by the heavy-Fermion pairing mechanism.
    URI: http://www.elsevier.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/54809
    Appears in Collections:[物理系] 期刊論文

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