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Phase Relations and Thermodynamic Properties of Condensed Phases in the System Sr–Cu–O

Jacob, Thomas K and Mathews, Tom (1992) Phase Relations and Thermodynamic Properties of Condensed Phases in the System Sr–Cu–O. In: Journal of the American Ceramic Society, 75 (12). pp. 3225-3232.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1151-...

Abstract

The phase diagram of the system Sr-Cu-O has been determined at 1173 K. Several compositions in the ternary system were quenched after equilibration, and the phases present were identified by optical microscopy, X-ray diffraction, and electron probe microanalysis. Four ternary compounds, $SrCu_2O_2$, $Sr_2CuO_3$, $SrCuO_{2+\delta}$, and $Sr_{14}Cu_{24}O_{41}$, have been identified. Values for the nonstoichiometric parameter δ in $SrCuO_{2+\delta}$ corresponding to the different three-phase fields have been determined using the hydrogen reduction technique. The thermodynamic properties of all the ternary oxides were determined using solid-state cells incorporating either oxide or fluoride electrolyte.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to John Wiley and Sons.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 11 Dec 2006
Last Modified: 09 Dec 2011 08:33
URI: http://eprints.iisc.ernet.in/id/eprint/8920

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