Synthesis, structure and superconductivity of [Y0.75Ca0.25]SrBaCu3-x (PO4)xOy with 0.0 ≤ x ≤ 0.30

J. C. Gonzalez Gonzalez, J. Albino Aguiar, S. Quezado, L. M. Dezanetie, C. W. Chu, A. Bustamante Dominguez

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

4 Citas (Scopus)

Resumen

We present X-ray and magnetization results for the compound [Y0.75Ca0.25]SrBaCu3-x (PO4)xOy with 0.0 ≤ x ≤ 0.30 synthesized at normal pressure and temperature. X-ray diffraction patterns show that for x = 0.0 the compound crystallizes into an orthorhombic phase. For increasing x a tetragonal phase is obtained. The Rietveld method was used to refine lattice constants. The magnetization measurements show that the samples were all superconductors over a range of temperatures from 10 to 100 K. The diamagnetic transition temperature Tc decreases with increasing (PO4)3- concentration (Tc = 55 K for x = 0.0 and Tc = 35 K for x = 0.30).

Idioma originalInglés
Páginas (desde-hasta)441-443
Número de páginas3
PublicaciónPhysica C: Superconductivity and its Applications
Volumen354
N.º1-4
DOI
EstadoPublicada - may. 2001
Publicado de forma externa

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