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Hg–Ba–Ca–Cu–O system phase diagram and the formation of HgBa2Can−1CunO2n+2+δ superconducting phases

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Abstract

The Hg-Ba-Ca-Cu-O system phase diagram and the formation of HgBa2Can-1CunO2n+2+δ superconducting phases have been investigated by XRD (x-ray diffraction). The isothermal sections of the HgO-BaO-CuO system at 800 °C and the BaO-CaO-CuO system at 870 °C are presented. HgBa2Can-1CunO2n+2+δ superconducting phases are formed through the reactions of HgO with intermediate products Ba2CuO3 + BaCuO2 + CaO, BaCuO2 + CaO2, and BaCuO2 + Ca2CuO3 for n = 1, 2, and 3 phases, respectively.

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Authors and Affiliations

  1. National Laboratory for Superconductivity, Institute of Physics, Academia Sinica, 100080, Beijing, People’s Republic of China

    G. C. Che, Y. K. Du, C. Dong, F. Wu & Z. X. Zhao

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  1. G. C. Che
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  2. Y. K. Du
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  3. C. Dong
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  4. F. Wu
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  5. Z. X. Zhao
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Che, G.C., Du, Y.K., Dong, C. et al. Hg–Ba–Ca–Cu–O system phase diagram and the formation of HgBa2Can−1CunO2n+2+δ superconducting phases. Journal of Materials Research 10, 1358–1361 (1995). https://doi.org/10.1557/JMR.1995.1358

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  • DOI: https://doi.org/10.1557/JMR.1995.1358

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