Superconductivity of the high-Tc system Gd1 + xBa2-xCu3O7 - δ

V. P. D'yakonov, V. I. Markovich, F. A. Boiǩo, N. A. Doroshenko, G. G. Levchenko, I. M. Fita

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1 Scopus citations


The structural, electrophysical, and magnetic properties of high-temperature superconducting Gd1 + xBa2 - xCu3O7 - δ (0<x<0.38) ceramics are investigated experimentally. As x increases, the first critical field and the temperature of the superconducting transition decrease, while the width of the transition increases. The variation of Tc(x) resembles curves obtained previously for KE1 + xBa2 - xCu3O7 - δ compounds (RE = Nd, Eu, Sm). Some possible ways in which the substitution of Gd3 + for barium influences the electronic structure and population of various sites with oxygen atoms are discussed; these factors suppress superconductivity in the given compounds.

Original languageEnglish
Pages (from-to)79-83
Number of pages5
JournalPhysics of the Solid State
Issue number1
StatePublished - 1 Jan 1996
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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