Hg vapor pressure, phase stability, and synthesis of Hg1-xBa2Can-1CunO 2n+2+δ with n ≤ 3

Y. Y. Xue, R. L. Meng, Q. M. Lin, B. Hickey, Y. Y. Sun, C. W. Chu

研究成果: Article同行評審

30 引文 斯高帕斯(Scopus)

摘要

The stability of Hg1-xBa2Can-1CunO 2n+2+δ [Hg12(n - 1)n] and its competing phase, HgCaO2, at synthesis temperatures were studied in terms of their equilibrium Hg vapor pressure PHg. It was found that the stability of Hg12(n - 1)n varies with n in a complex way. It was also observed that traces of moisture and/or carbon dioxide reduce the PHg of HgCaO2, while partially substituting Re, Pb and Mo for Hg suppresses the PHg of Hg12(n - 1)n. Possible relationships between the beneficial substitution effect, the change of cation valence, and the defect structures in Hg12(n - 1)n are proposed.

原文English
頁(從 - 到)11-16
頁數6
期刊Physica C: Superconductivity and its applications
281
發行號1
DOIs
出版狀態Published - 1997

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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