2001/02/05 by P. W. Klamut, B. Dabrowski, B. Da̧browski +4 · 2 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.mtrl-sci #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.63.224512
published as Phys.Rev.B 63, 224512 (2001) · to be published in Phys.Rev.B
arxiv created 2001/02/05 · openalex publication_date 2001/05/23 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We report on the properties of new ruthenocuprates Ru_1\ensuremath-xSr2GdCu2+xO_8\ensuremath-y (x=0, 0.1, 0.2, 0.3, 0.4, and 0.75) that extend the superconductivity found previously in RuSr2GdCu2O8(Tc=45K) to the solid solution with varied Ru/Cu ratios. The compounds have been synthesized in a 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 the compounds studied.