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High Pressure Synthesis and Properties of Hg-1234 and Hg-1223 Phases.

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Abstract

The Hg-1223 and Hg-1234 phases were synthesized using the program-controlled high pressure chamber. The variation of the oxygen content in the starting oxides mixture “HgBa2Ca3Cu4Ox”, performed by changing BaO/BaO2 and Cu2O/CuO ratios influences significantly the phase formation. Dependence of Tc vs. a-parameter for HgBa2Ca2Cu3O8+δ superconductor has a cupola-shaped character, as it was found for the lower members of the homologous series.

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REFERENCES

  1. K.A. Lokshin, I.G. Kuzemskaya, L.F. Kulikova, E.V. Antipov, E.S. Itskevich, Physica C, to be published (1997)

  2. E.V. Antipov, S.N. Putilin, E.M. Kopnin, J.J. Capponi, C. Chaillout, S.M. Loureiro, M. Marezio and A. Santoro, Physica C 21, 235 (1994).

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Authors and Affiliations

  1. Institute of High Pressure Physics RAS, 142092, Troitsk , Moscow reg., Russia

    I.G. Kuzemskaya, L.F. Kulikova & E.S. Itskevich

  2. Department of Chemistry, Moscow State University, 119899, Moscow, Russia

    K.A. Lokshin & E.V. Antipov

Authors
  1. I.G. Kuzemskaya
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  2. K.A. Lokshin
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  3. L.F. Kulikova
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  4. E.V. Antipov
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  5. E.S. Itskevich
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Kuzemskaya, I., Lokshin, K., Kulikova, L. et al. High Pressure Synthesis and Properties of Hg-1234 and Hg-1223 Phases.. Journal of Superconductivity 11, 117–118 (1998). https://doi.org/10.1023/A:1022623121850

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  • DOI: https://doi.org/10.1023/A:1022623121850

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