Evidence for possible phase separations in RuSr2(Gd,Ce)2Cu2O10-δ

Y. Y. Xue, D. H. Cao, B. Lorenz, C. W. Chu

研究成果: Article同行評審

57 引文 斯高帕斯(Scopus)

摘要

An unusual thermal-magnetic hysteresis was observed between a minor magnetic transition around 120 K and the main one at 80 K in superconducting RuSr2(R,Ce)2Cu2O10-δ (Ru1222R) samples, where R=Gd or Eu, down to a submicron length scale. The observation suggests a possible phase separation and is consistent with the very small but universal demagnetizing factor observed, which is difficult to reconcile with the canted-spin structure previously proposed. In such a scenario, the unusual superconducting properties of the Ru-based cuprates can also be understood naturally.

原文English
文章編號020511
頁(從 - 到)205111-205114
頁數4
期刊Physical Review B - Condensed Matter and Materials Physics
65
發行號2
出版狀態Published - 2002 1月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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