Synthesis of the high-temperature superconductors HgBa2CaCu2O6+δ and HgBa2Ca2Cu3O8+δ

R. L. Meng, L. Beauvais, X. N. Zhang, Z. J. Huang, Y. Y. Sun, Y. Y. Xue, C. W. Chu

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209 引文 斯高帕斯(Scopus)


The newly-discovered homologous series HgBa2Can-1CunO2n+2+δ [Hg-12 (n-1)n] with n = 1, 2, 3,... possesses the highest superconducting transition-temperature (Tc) to date. Unfortunately, because of the complexity of its compound chemistry, it remains a challenge to prepare samples with pure or nearly-pure Hg-12 (n-1)n for both scientific and applied studies. In the present investigation, we report the successful development of a controlled vapor/solid reaction process for the synthesis of samples with up to 75 to 90% Hg-1212 and 65 to 75% Hg-1223 by volume, which display sharp superconducting transitions up to 135 K. Detailed steps of the process are presented and discussed.

頁(從 - 到)21-28
期刊Physica C: Superconductivity and its applications
出版狀態Published - 1993 10月 15

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 能源工程與電力技術
  • 電氣與電子工程


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