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Preparation and characterization of the superconductor [Y 0.8Ca0.2]SrBaCu2.8(BO3) 0.2O6.4 compound

  • Victor H.C. Barinotto
  • , Bram L. Willems
  • , D. Angel Bustamante
  • , V. Luis De Los Santos
  • , G. Juan Gonzalez
  • Univ. Nacional Mayor de San Marcos
  • CSIC - Instituto de Ciencia de Materiales de Barcelona (ICMAB)

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

We report the study of the [Y0.8Ca0.2]SrBaCu 2.80(BO3)0.2O6.4 compound which is a superconductor with critical temperature of 45 K. This compound was prepared by the solid state reaction method under normal conditions of pressure and temperature, replacing 0.2 of oxianion borate (BO3)3- in the copper site of [Y0.8Ca0.2]SrBaCu3O 7-δ. TC was determined by measuring the magnetic susceptibility using a SQUID detection system. The X-ray difractogram revealed a monophasic pattern, Rietveld analysis suggested an orthorhombic crystalline structure belonging to the Pmmm spatial group with a = 3.826 Å, b = 3.861 Å and c = 11.561 Å.

Original languageEnglish
Pages (from-to)58-59
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume408-410
Issue number1-4
DOIs
StatePublished - Aug 2004
Externally publishedYes
EventProceedings of the International Conference on Materials - Rio de Janeiro, Brazil
Duration: 25 May 200330 May 2003

Keywords

  • Borate
  • Rietveld analysis
  • XRD

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