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Structural and Superconducting Properties of Ruthenocuprates

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Advances in Superconductivity XII

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Abstract

Structural and superconducting properties of layered ruthenocuprates, RuSr2RECu2O8-δ and RuSr2(RE1-xCex)2Cu2O10-δ (RE = Sm, Eu, Gd), have been investigated. The differences between superconductivity of these two phases are due to their structural differences,i.e . fluorite layer between CuO2 planes in the latter phase. Because of it, RuSr2(RE1-xCex)2Cu2O10-δ has a large oxygen-nonstoichiometry range (δ ~ 0.15), while the oxygen defects in RuSr2RECu2O8-δ are negligible (δ ~ 0.03). On the other hand, the RE/Sr substitution is considered to be more feasible in RuSr2RECu2O8.-δ than in RuSr2(RE1-xCex)2Cu2O10-δ.

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Authors and Affiliations

  1. Department of Superconductivity, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan

    Kenji D. Otzschi, Toru Hinouchi, Tomonori Mizukami, Jun-ichi Shimoyama & Kohji Kishio

Authors
  1. Kenji D. Otzschi
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  2. Toru Hinouchi
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  3. Tomonori Mizukami
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  4. Jun-ichi Shimoyama
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  5. Kohji Kishio
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Editors and Affiliations

  1. New Industry Creation Hatchery Center, Research Institute of Electrical Communication, Tohoku University, 2-1-1 Katahira, 980-8577, Aoba-ku, Sendai, Japan

    Tsutomu Yamashita (Professor) (Professor)

  2. Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, 135-0062, Koto-ku, Tokyo, Japan

    Kei-ichi Tanabe (Director, Division 6) (Director, Division 6)

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© 2000 Springer Japan

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Otzschi, K.D., Hinouchi, T., Mizukami, T., Shimoyama, Ji., Kishio, K. (2000). Structural and Superconducting Properties of Ruthenocuprates. In: Yamashita, T., Tanabe, Ki. (eds) Advances in Superconductivity XII. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66877-0_48

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  • DOI: https://doi.org/10.1007/978-4-431-66877-0_48

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-70270-2

  • Online ISBN: 978-4-431-66877-0

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