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Phase relations in the system BiO1.5–SrO–CuO at 1123 K

Jacob, KT and Mathews, T (1991) Phase relations in the system BiO1.5–SrO–CuO at 1123 K. In: Journal of Materials Chemistry, 1 (4). pp. 545-549.

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Abstract

Phase relations in the system Bi-Sr-Cu-O at 1123 K have been investigated using optical microscopy, electron-probe microanalysis (EPMA) and powder X-ray diffraction (XRD) of equilibrated samples. Differential thermal analysis (DTA) was used to confirm liquid formation for compositions rich in BiO1.5. Compositions along the three pseudo-binary sections and inside the pseudo-ternary triangle have been examined. The attainment of equilibrium was facilitated by the use of freshly prepared SrO as the starting material. The loss of Bi2O3 from the sample was minimized by double encapsulation. A complete phase diagram at 1123 K is presented. It differs significantly from versions of the phase diagram published recently.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Royal Society of Chemistry.
Keywords: Phase Equilibria;Coexistence Domain;Bi-Sr-Cu-O System;Oxide Superconductor;Bismuth Oxide Superconductor.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 26 Nov 2010 05:44
Last Modified: 26 Nov 2010 05:44
URI: http://eprints.iisc.ernet.in/id/eprint/34038

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