Origin of the superconductivity in the Y-Sr-Ru-O and Y-Sr-Cu-O systems

Eduard Galstyan, Yuyi Xue, Milko Iliev, Yanyi Sun, Ching Wu Chu

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14 引文 斯高帕斯(Scopus)

摘要

We report on the structural, magnetic, and Raman-scattering studies of double-perovskite structure Sr2 Y Ru1-x Cux O6-δ systems made by systematic synthesis processes with various numbers of doping concentrations and sintering temperatures. We observed different behaviors resulting from the different thermal treatments. In particular, superconductivity in Cu-doped Sr2 YRu O6 has been observed only for partially melted ceramic materials. We show that superconductivity is associated with the 1:2:3 phase (Y Sr2 Cu3 Ot), similar to that of Y-Sr-Cu-O samples sintered at high temperature.

原文English
文章編號014501
期刊Physical Review B - Condensed Matter and Materials Physics
76
發行號1
DOIs
出版狀態Published - 2007 7月 3

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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