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Temperature Dependence of Complex Conductivity of YBa2Cu3O7-δ Thin Films in the Millimeter-Wave Region

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Advances in Superconductivity VI

Abstract

Temperature dependence of the complex conductivity σ= σ1−iσ2 of YBa2Cu3O7-δ thin films has been measured by using the Mach-Zehnder type interferometric spectrometer in the millimeter wave region (140 ~ 160 GHz). Both σ1 and σ2 increase monotonically below Tc with decreasing temperature. The two-fluid model analysis shows that the scattering time of the quasi particle increases rapidly with decreasing temperature below Tc, which is consistent with the results reported for microwave region.

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Author information

Authors and Affiliations

  1. Department of Applied Physics, Faculty of Engineering, Osaka University, Suita, Osaka, 565, Japan

    Takeshi Nagashima & Shin-Ichi Nakashima

  2. Research Center for Superconducting Materials and Electronics, Osaka University, Suita, Osaka, 565, Japan

    Masanori Hangyo & Yoshishige Murakami

Authors
  1. Takeshi Nagashima
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  2. Masanori Hangyo
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  3. Shin-Ichi Nakashima
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  4. Yoshishige Murakami
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Editor information

Editors and Affiliations

  1. Faculty of Science, Hiroshima University, Kagamiyama, Higashi-Hiroshima, 724, Japan

    Toshizo Fujita

  2. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    Yuh Shiohara

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© 1994 Springer-Verlag Tokyo

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Nagashima, T., Hangyo, M., Nakashima, SI., Murakami, Y. (1994). Temperature Dependence of Complex Conductivity of YBa2Cu3O7-δ Thin Films in the Millimeter-Wave Region. In: Fujita, T., Shiohara, Y. (eds) Advances in Superconductivity VI. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68266-0_44

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  • DOI: https://doi.org/10.1007/978-4-431-68266-0_44

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68268-4

  • Online ISBN: 978-4-431-68266-0

  • eBook Packages: Springer Book Archive

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