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Weakly Coupled Grain Model for the Residual Surface Resistance of YBa2Cu3Ox Thin Films
Keiji YOSHIDA Tomohiro ONOUE Takanobu KISS Hisashi SHIMAKAGE Zhen WANG
IEICE TRANSACTIONS on Electronics
Publication Date: 1996/09/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Toward Digital and Analog Applications of Superconductors)
Category: Device technology
weakly coupled grain model, high Tc thin film, YBa2Cu3Ox residual surface resistance,
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In the weakly coupled grain model which has been proposed to explain the residual surface resistance in high-Tc superconducting polycrystalline thin films, the superconducting polycrystalline thin films is described as a network of superconducting grains coupled via Josephson junctions. In order to evaluate this model we have fabricated the coplanar waveguide resonator using c-axis oriented YBa2Cu3Ox Thin Films and measured the residual surface resistance. The experimental results are in good agreement with theoretical prediction.