TY - JOUR

T1 - Spin gap in the normal state of Pr-doped and oxygen-deficient superconductors

AU - Liu, S.

AU - Guan, Weiyan

PY - 1998/1/1

Y1 - 1998/1/1

N2 - 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).

AB - 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).

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U2 - 10.1103/PhysRevB.58.11716

DO - 10.1103/PhysRevB.58.11716

M3 - Article

AN - SCOPUS:0001308792

VL - 58

SP - 11716

EP - 11720

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

SN - 1098-0121

IS - 17

ER -