High-pressure study on Mo-stabilized Sr-based 123 compounds YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy

Q. Xiong, Y. Q. Wang, J. W. Chu, Y. Y. Sun, K. Matsuishi, H. H. Feng, P. H. Hor, C. W. Chu

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28 Citations (Scopus)


The pressure effect on the superconducting transition temperature Tc of the newly stabilized YSr2Cu2.8Mo0.2Oy and TbSr2Cu2.7Mo0.3Oy compounds has been examined under hydrostatic pressure. The pressure coefficient dTc/dP was found to be+0.84 K/kbar for YSr2Cu2.8Mo0.2Oy and +0.4 K/kbar for TbSr2Cu2.7Mo0.3Oy. These large positive values of dTc/dP suggest that the presence of Mo in the CuO-chain sites is crucial in the stabilization of the Sr-based 123 compounds.

Original languageEnglish
Pages (from-to)70-74
Number of pages5
JournalPhysica C: Superconductivity and its applications
Issue number1-2
Publication statusPublished - 1992 Jul 20

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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