Spin gap in the normal state of Pr-doped and oxygen-deficient superconductors

S. Liu, Weiyan Guan

研究成果: 雜誌貢獻期刊論文同行評審

25 引文 斯高帕斯(Scopus)


The spin-gap temperatures (Formula presented) in the normal state of bulk Pr-doped (Formula presented) and oxygen-deficient (Formula presented) ((Formula presented) Er, Y, Ho, Dy, Gd, Eu, Sm, and Nd) are investigated. The elements on the R sites and the distance between (Formula presented) planes are found to have no influence on (Formula presented) in oxygen-deficient (Formula presented) in terms of the relationship between the superconducting temperature (Formula presented) and (Formula presented) However, for (Formula presented) increases with increasing ionic size of R-site elements for a fixed Pr concentration. Furthermore, by comparing (Formula presented) of oxygen-deficient (Formula presented) to that of (Formula presented) at the same (Formula presented) it is observed that Pr atoms doped on the R sites not only reduce the carrier density and induce the spin gap, but will also simultaneously suppress (Formula presented).

頁(從 - 到)11716-11720
期刊Physical Review B - Condensed Matter and Materials Physics
出版狀態已發佈 - 1998

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學


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