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Ciencia en Desarrollo
versão impressa ISSN 0121-7488
Resumo
SUPELANO GARCIA, Iván et al. Synthesis and Structural Properties of La1,5+xBa1,5+x-yCayCu3Oz Superconductor System. Ciencia en Desarrollo [online]. 2013, vol.4, n.2, pp.27-32. ISSN 0121-7488.
In this paper it is analyzed the system La1,5+xBa1,5+x-yCayCu3Oz, based on the production of samples that are in the range of single phase, pure phase, proposed by West [1]. The structural analysis was carried out starting from X Rays Diffraction (XRD), being able to establish a first indication of the presence of pure phase in the system La1,5+xBa1,5+x-yCayCu3Oz, which was corroborated through the refinement Rietveld. Structural parameters of the samples were obtained by the standard method of reaction of solid state. This first indication was also corroborated with measures of Scanning Electronic Microscopy (SEM), and the elementary composition was verifyed through Energy for Dispersion of X Rays (EDX). Finally, and having into account the carried out analysis, it is shown that most of the samples present superconductor characteristics of high planar anisotropy and that although the total range proposed by West corresponds to superconductor systems, not all the samples present pure phase
Palavras-chave : Superconductor; CLBCO; pure phase; XRD.