1000°C Phase Relations and Superconductivity in the (Nd‐Ce‐Cu)‐O Ternary System

Charles N. Pieczulewski; Kelly S. Kirkpatrick; Thomas O. Mason

doi:10.1111/j.1151-2916.1990.tb05289.x

1000°C Phase Relations and Superconductivity in the (Nd‐Ce‐Cu)‐O Ternary System

Charles N. Pieczulewski^*, Kelly S. Kirkpatrick, Thomas O. Mason

^*Corresponding author for this work

Materials Science and Engineering

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Abstract

The phase relations involving the 24 K n‐type Nd_2‐xCe_xCuO₄ superconductor were investigated at 1000°C in air. The terminal solid solubility was confirmed to be x= 0.2. This solid solution is the only ternary phase in the Nd₂O₃–CeO₂–CuO diagram. A binary (1 −y)CeO₂–yNdO_1.5 solid solution exists out to y= 0.4. Phase diagrams for NdO_1.5–CeO₂–CuO (1000°C) and NdO_1.5–CeO₂ (900° to 1500°C) are presented.

Original language	English (US)
Pages (from-to)	2141-2143
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	73
Issue number	7
DOIs	https://doi.org/10.1111/j.1151-2916.1990.tb05289.x
State	Published - Jul 1990

Keywords

composition
phase diagrams
phases
solid solutions
superconductors

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1990.tb05289.x

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title = "1000°C Phase Relations and Superconductivity in the (Nd‐Ce‐Cu)‐O Ternary System",

abstract = "The phase relations involving the 24 K n‐type Nd2‐xCexCuO4 superconductor were investigated at 1000°C in air. The terminal solid solubility was confirmed to be x= 0.2. This solid solution is the only ternary phase in the Nd2O3–CeO2–CuO diagram. A binary (1 −y)CeO2–yNdO1.5 solid solution exists out to y= 0.4. Phase diagrams for NdO1.5–CeO2–CuO (1000°C) and NdO1.5–CeO2 (900° to 1500°C) are presented.",

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AU - Pieczulewski, Charles N.

AU - Kirkpatrick, Kelly S.

AU - Mason, Thomas O.

PY - 1990/7

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N2 - The phase relations involving the 24 K n‐type Nd2‐xCexCuO4 superconductor were investigated at 1000°C in air. The terminal solid solubility was confirmed to be x= 0.2. This solid solution is the only ternary phase in the Nd2O3–CeO2–CuO diagram. A binary (1 −y)CeO2–yNdO1.5 solid solution exists out to y= 0.4. Phase diagrams for NdO1.5–CeO2–CuO (1000°C) and NdO1.5–CeO2 (900° to 1500°C) are presented.

AB - The phase relations involving the 24 K n‐type Nd2‐xCexCuO4 superconductor were investigated at 1000°C in air. The terminal solid solubility was confirmed to be x= 0.2. This solid solution is the only ternary phase in the Nd2O3–CeO2–CuO diagram. A binary (1 −y)CeO2–yNdO1.5 solid solution exists out to y= 0.4. Phase diagrams for NdO1.5–CeO2–CuO (1000°C) and NdO1.5–CeO2 (900° to 1500°C) are presented.

KW - composition

KW - phase diagrams

KW - phases

KW - solid solutions

KW - superconductors

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1000°C Phase Relations and Superconductivity in the (Nd‐Ce‐Cu)‐O Ternary System

Abstract

Keywords

ASJC Scopus subject areas

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