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Synthesis and Characterization of V- and Ti-Containing Hg-1212 Cuprates

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Advances in Superconductivity X

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Abstract

Two series of Sr-bearing Hg-1212 superconducting cuprates (Hg0.65V0.35)Sr2(Ca1-xNdx)Cu2Oz and (Hg1-yTiy)Sr2(Ca1-xYxCu2Oz have been synthesized. Nearly single-phase samples are obtained in the rangeof x = 0.35-0.55 for (Hg,V)-1212, and y = 0.25 and x = 0.35-0.50 for (Hg,Ti)-1212. The variation of T c with x and T c enhancement after O2 annealing indicate that the present compounds are in the underdoped region. The highest onset Tc is obtained in the O2-annealed samples at 105 K for (Hg,V)-1212 with x = 0.35 and at 100 K for (Hg,Ti)-1212 with y = 0.25 and x = 0.35.

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Authors and Affiliations

  1. Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki, 305, Japan

    E. Kandyel, T. Kamiyama, H. Asano & M. Abou-Sekkina

  2. Chemistry Department, Faculty of Science, Tanta University, Tanta, Egypt

    E. Kandyel & M. Abou-Sekkina

Authors
  1. E. Kandyel
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  2. T. Kamiyama
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  3. H. Asano
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  4. M. Abou-Sekkina
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Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, Kyoto University, Yoshidahonmachi, 606-8501, Sakyo-ku, Kyoto, Japan

    Kozo Osamura (Professor) (Professor)

  2. Division 8 Superconductivity Research Laboratory, ISTEC, 2-4-1 Mutsuno, 456-0000, Atsuta-ku, Nagoya, Japan

    Izumi Hirabayashi (Division Director) (Division Director)

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© 1998 Springer Japan

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Kandyel, E., Kamiyama, T., Asano, H., Abou-Sekkina, M. (1998). Synthesis and Characterization of V- and Ti-Containing Hg-1212 Cuprates. In: Osamura, K., Hirabayashi, I. (eds) Advances in Superconductivity X. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66879-4_88

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  • DOI: https://doi.org/10.1007/978-4-431-66879-4_88

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-66881-7

  • Online ISBN: 978-4-431-66879-4

  • eBook Packages: Springer Book Archive

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