Pressure dependence of Tc in HgBa2cuo4+δ up to 18 GPa with 0.17<δ<0.3

X. D. Qiu, Q. Xiong, L. Gao, Y. Cao, Y. Y. Xue, C. W. Chu

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)


The superconducting transition temperature Tc of several HgBa2CuO4+δ samples with 0.17<δ<0.3 has been measured as the function of the quasi-hydrostatic pressure P up to 18 GPa. The observed Tcmax under pressure is nearly δ-independent around the optimum doping level, demonstrating directly that the pressure-induced charge-transfer only plays a minor role in the unusual pressure effects of the Hg-based cuprates. The δ-range, over which HgBa2CuO4+δ is superconducting, significantly shrinks under pressure, and the Tc-δ correlation seems to evolve from parabolic at ambient pressure to truncated-triangle like above 10 GPa.

頁(從 - 到)885-886
期刊Physica C: Superconductivity and its applications
發行號PART 2
出版狀態Published - 1997 8月

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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