Phase Composition and Compatibilities at 930° to 950°C in the System Europium(III) Oxide‐Barium Oxide‐Copper(II) Oxide in Air

C. N. Pleczulewski; J. E. McAdams; T. O. Mason

doi:10.1111/j.1151-2916.1990.tb06722.x

Phase Composition and Compatibilities at 930° to 950°C in the System Europium(III) Oxide‐Barium Oxide‐Copper(II) Oxide in Air

C. N. Pleczulewski^*, J. E. McAdams, T. O. Mason

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Phase composition and compatibilites at 930° to 950°C were determined for the system Eu₂O₃–BaO–CuO in air. The binary compound Eu₂CuO₄ dissolves Ba to the extent 0 x 0.02 in Eu_2‐xBa_xCuO₄, whereas the other binary compounds, Eu₂BaO₄ and BaCuO₂, do not exhibit solid solubility. Three ternary compounds were obtained, Eu₂BaCuO₅ and two solid solution phases. The first contains the 90 K ‘123’ superconductor and has solubility limits represented by Eu_1+xBa_2‐xCu₃O_7±y, where 0 x 0.5. The second has a solubility limit represented as Eu_1+xBa_8‐xCu₄O_y, where 0 x 0.44. The limited solid solution range of this phase provides insight concerning the probable solid solution range of the analogous phase in the Y₂O₃‐BaO‐CuO system.

Original language	English (US)
Pages (from-to)	3088-3090
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	73
Issue number	10
DOIs	https://doi.org/10.1111/j.1151-2916.1990.tb06722.x
State	Published - Oct 1990

Keywords

europium oxide
phases
solubility
superconductors
temperature dependence.

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1990.tb06722.x

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title = "Phase Composition and Compatibilities at 930° to 950°C in the System Europium(III) Oxide‐Barium Oxide‐Copper(II) Oxide in Air",

abstract = "Phase composition and compatibilites at 930° to 950°C were determined for the system Eu2O3–BaO–CuO in air. The binary compound Eu2CuO4 dissolves Ba to the extent 0 x 0.02 in Eu2‐xBaxCuO4, whereas the other binary compounds, Eu2BaO4 and BaCuO2, do not exhibit solid solubility. Three ternary compounds were obtained, Eu2BaCuO5 and two solid solution phases. The first contains the 90 K {\textquoteleft}123{\textquoteright} superconductor and has solubility limits represented by Eu1+xBa2‐xCu3O7±y, where 0 x 0.5. The second has a solubility limit represented as Eu1+xBa8‐xCu4Oy, where 0 x 0.44. The limited solid solution range of this phase provides insight concerning the probable solid solution range of the analogous phase in the Y2O3‐BaO‐CuO system.",

keywords = "europium oxide, phases, solubility, superconductors, temperature dependence.",

author = "Pleczulewski, {C. N.} and McAdams, {J. E.} and Mason, {T. O.}",

year = "1990",

month = oct,

doi = "10.1111/j.1151-2916.1990.tb06722.x",

language = "English (US)",

volume = "73",

pages = "3088--3090",

journal = "Journal of the American Ceramic Society",

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TY - JOUR

T1 - Phase Composition and Compatibilities at 930° to 950°C in the System Europium(III) Oxide‐Barium Oxide‐Copper(II) Oxide in Air

AU - Pleczulewski, C. N.

AU - McAdams, J. E.

AU - Mason, T. O.

PY - 1990/10

Y1 - 1990/10

N2 - Phase composition and compatibilites at 930° to 950°C were determined for the system Eu2O3–BaO–CuO in air. The binary compound Eu2CuO4 dissolves Ba to the extent 0 x 0.02 in Eu2‐xBaxCuO4, whereas the other binary compounds, Eu2BaO4 and BaCuO2, do not exhibit solid solubility. Three ternary compounds were obtained, Eu2BaCuO5 and two solid solution phases. The first contains the 90 K ‘123’ superconductor and has solubility limits represented by Eu1+xBa2‐xCu3O7±y, where 0 x 0.5. The second has a solubility limit represented as Eu1+xBa8‐xCu4Oy, where 0 x 0.44. The limited solid solution range of this phase provides insight concerning the probable solid solution range of the analogous phase in the Y2O3‐BaO‐CuO system.

AB - Phase composition and compatibilites at 930° to 950°C were determined for the system Eu2O3–BaO–CuO in air. The binary compound Eu2CuO4 dissolves Ba to the extent 0 x 0.02 in Eu2‐xBaxCuO4, whereas the other binary compounds, Eu2BaO4 and BaCuO2, do not exhibit solid solubility. Three ternary compounds were obtained, Eu2BaCuO5 and two solid solution phases. The first contains the 90 K ‘123’ superconductor and has solubility limits represented by Eu1+xBa2‐xCu3O7±y, where 0 x 0.5. The second has a solubility limit represented as Eu1+xBa8‐xCu4Oy, where 0 x 0.44. The limited solid solution range of this phase provides insight concerning the probable solid solution range of the analogous phase in the Y2O3‐BaO‐CuO system.

KW - europium oxide

KW - phases

KW - solubility

KW - superconductors

KW - temperature dependence.

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JO - Journal of the American Ceramic Society

JF - Journal of the American Ceramic Society

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ER -

Phase Composition and Compatibilities at 930° to 950°C in the System Europium(III) Oxide‐Barium Oxide‐Copper(II) Oxide in Air

Abstract

Keywords

ASJC Scopus subject areas

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