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Revista de la Sociedad Química del Perú
versión impresa ISSN 1810-634X
Resumen
GONZALEZ, J.C; FLORES, J.W; DE LOS SANTOS V, L y BUSTAMANTE, A. Correlation of puckered CuO2 superconducting planes with the superconducting criticaltemperature. Rev. Soc. Quím. Perú [online]. 2015, vol.81, n.4, pp.350-359. ISSN 1810-634X.
In copper oxide superconductor materials the internal charge transference between the superconducting planes of CuO2 and the charge reservoir blocks, it is a key factor that controls the superconducting critical temperature. The superconducting planes of CuO2 are not planes in a strict sense, the position of the Cu(2) atom and the O(2) and O(3) oxygen atoms are not lying in a same plane, the change of its positions are closely related to atomic replacements in the superconducting planes of CuO2 or in the charge reservoir blocks. Therefore, we correlates the substitutions effects in the canonical unit cell of YBa2Cu3O7 with regard to length and angle bond variation of copper and oxygen atoms with the superconducting critical temperature obtained by Rietveld refinement of X-ray diffraction patterns in polycrystalline powder samples, such as: SmBa2Cu3O7, [Y0,90,Pr0,10]Ba2Cu3O7, [Ca,La]Ba2Cu3O7 and YBa2Cu3O7.
Palabras clave : Copper oxide superconducting materials; superconducting planes of CuO2; Rietveld method.