Superconductivity in Ru(1-x)Sr2GdCu(2+x)O(8-y) Compounds

P. W. Klamut; B. Dabrowski; S. Kolesnik; M. Maxwell; J. Mais

doi:10.1103/PhysRevB.63.224512

Superconductivity in Ru(1-x)Sr2GdCu(2+x)O(8-y) Compounds

Superconductivity 2009-11-07 v2 Materials Science

Authors: P. W. Klamut , B. Dabrowski , S. Kolesnik , M. Maxwell , J. Mais

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Abstract

We report on the properties of new ruthenocuprates Ru(1-x)Sr2GdCu(2+x)O(8-y) (x=0, 0.1, 0.2, 0.3, 0.4, 0.75) that extend the superconductivity found previously in RuSr2GdCu2O8 (Tc=45 K) to the solid solution with varied Ru/Cu ratios. The compounds have been synthesized in high-pressure oxygen atmosphere. The maximum temperature of the superconducting transition is 72 K for the x=0.3 and 0.4 compositions. The reported behavior of magnetization at low temperatures can be qualitatively explained assuming a quasi-two-dimensional character of the superconducting regions in compounds studied.

Keywords

ruthenocuprate superconductivity high-pressure synthesis critical temperature quasi-two-dimensional

Cite

@article{arxiv.cond-mat/0102023,
  title  = {Superconductivity in Ru(1-x)Sr2GdCu(2+x)O(8-y) Compounds},
  author = {P. W. Klamut and B. Dabrowski and S. Kolesnik and M. Maxwell and J. Mais},
  journal= {arXiv preprint arXiv:cond-mat/0102023},
  year   = {2009}
}

Comments

to be published in Phys.Rev.B

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