The CaO-SrO-CuO-O2 system: Phase equilibria and thermodynamic properties at 1123 K

Jacob, Κ. T.; Raj, P. Markondeya; Waseda, Yoshio

doi:10.1007/bf02664848

Cited by 10 publications

(20 citation statements)

References 18 publications

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“…The pseudoternary eutectic point is located [532] at the composition Y0.0OS(l)Ba0.232(5)Cu0.764 (10), by a soaking technique with MgO wick, confirming previous results [533] by a similar method. According to Ref.…”

Section: S-l Diagramssupporting

confidence: 84%

“…Wide ranges of solid solubility exist between pairs of corresponding cuprates, as can be seen from the phase diagrams for the Ca(O)--Sr(O)-Cu(O) subsolidus system [10,111,179,184]. The situation at 850~ is shown in Fig. 14.…”

Section: Casr(o)--cu(o)mentioning

confidence: 94%

“…[10], the miscibility gap in the (Ca,Sr)O solid solution is observed, and also the tie lines are redetermined in detail. A complete solid solubility occurs between Sr2CuO3 and Ca2CuO3 [10,111,179,184,185]. Roughly half of the strontium may be replaced by Ca in Sr14Cu24041, and in the ambient-pressure phase o-SrCuO2+w at 850~ [184].…”

Section: Casr(o)--cu(o)mentioning

confidence: 96%

“…However, the precipitation of the two components is hindered kinetically, and solid solutions in the complete region are readily obtained upon cooling [8]. A similar situation occurs in the Ca(O)-Sr(O) system [9,10].…”

Section: A Oxides Peroxides and Carbonates Of Ae Metalsmentioning

confidence: 99%

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Phase diagrams for the YBa2Cu3O7 family — ANNO 1996

Karen

Kjekshus

1997

Journal of Thermal Analysis

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Phase diagrams for cupratcs of alkaline earth and rare earth elements are presented, covering binary to quintenary oxides and including selected solid solution series with other elements. Elementary crystal chemical data are included for identification of the occurring phases. Chemical stability is discussed with respect to the high-temperature reactions with Lewis acids like CO2, protons, etc. Particularly the occurrence of oxide carbonates is consistently pointed out as one of the possible reasons for contradictory results in phase diagrams which comprise oxides with high basicity.

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Section: S-l Diagramssupporting

confidence: 84%

Section: Casr(o)--cu(o)mentioning

confidence: 94%

Section: Casr(o)--cu(o)mentioning

confidence: 96%

Section: A Oxides Peroxides and Carbonates Of Ae Metalsmentioning

confidence: 99%

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Phase diagrams for the YBa2Cu3O7 family — ANNO 1996

Karen

Kjekshus

1997

Journal of Thermal Analysis

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“…7,32,33 These results are in good agreement with Vegard's law. Jacob et al, 15 using their data on decomposition of the IL compound. the tie lines between (Sr,Ca)O and (Sr,Ca) 2 CuO 3 , found that the The same phase relations have been found in air, 9,12,13 several studies reporting ϳ50% calcium.…”

Section: Il Compound On Heatingmentioning

confidence: 99%

Thermodynamic Modeling and Calculation of Phase Equilibria in the Strontium–Calcium–CopperOxygen System at Ambient Pressure

Risold

Hallstedt

Gauckler

1997

Journal of the American Ceramic Society

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The phase‐diagram and thermodynamic data on the Sr–Ca–CuO system at a total pressure of 105 Pa (1 bar) are reviewed and assessed. Gibbs energy functions for the (Sr,Ca) solid solutions and the liquid are optimized, and a consistent thermodynamic description is presented. Calculated phase relations are shown in various isothermal and isoplethal sections and compared to experimental data. Special attention is given to the stability of the infinite‐layer compound, as a function of temperature and oxygen partial pressure.

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