Equilibrium Phase Diagrams For the Systems PbO-SrO-CuO and PbO-CaO-SrO

Hitoshi Kitaguchi; Jun Takada; Kiichi Oda; Yoshinari Miura

doi:10.1557/JMR.1990.1397

Equilibrium Phase Diagrams For the Systems PbO-SrO-CuO and PbO-CaO-SrO

Hitoshi Kitaguchi, Jun Takada, Kiichi Oda, Yoshinari Miura

Faculty of Engineering

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

44 Citations (Scopus)

Abstract

In order to obtain essential information on the formation process of the high-T_c phase in the Bi, Pb-Sr-Ca-Cu-O system, subsolidus phase equilibrium in the systems PbO(PbO₂)-SrO-CuO and PbO(PbO₂)-CaO-SrO has been studied, mainly by XRD analysis. A pseudoternary Pb-Sr-Cu-O solid solution was newly found. This solid solution has a wide solubility range including its typical composition Pb₂_.03Sr₃Cu_0.73O_7.70. It has a hexagonal structure with lattice parameters a = 10.11 and c = 7.11 in AU. Composition dependences of the lattice parameters and the decomposition (incongruent melting) temperature of (Ca₁__xSr_x)₂PbO₄solid solution are also reported.

Original language	English
Pages (from-to)	1397-1402
Number of pages	6
Journal	Journal of Materials Research
Volume	5
Issue number	7
DOIs	https://doi.org/10.1557/JMR.1990.1397
Publication status	Published - Jul 1990

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "In order to obtain essential information on the formation process of the high-Tc phase in the Bi, Pb-Sr-Ca-Cu-O system, subsolidus phase equilibrium in the systems PbO(PbO2)-SrO-CuO and PbO(PbO2)-CaO-SrO has been studied, mainly by XRD analysis. A pseudoternary Pb-Sr-Cu-O solid solution was newly found. This solid solution has a wide solubility range including its typical composition Pb2.03Sr3Cu0.73O7.70. It has a hexagonal structure with lattice parameters a = 10.11 and c = 7.11 in AU. Composition dependences of the lattice parameters and the decomposition (incongruent melting) temperature of (Ca1_xSrx)2PbO4solid solution are also reported.",

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T1 - Equilibrium Phase Diagrams For the Systems PbO-SrO-CuO and PbO-CaO-SrO

AU - Kitaguchi, Hitoshi

AU - Takada, Jun

AU - Oda, Kiichi

AU - Miura, Yoshinari

PY - 1990/7

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N2 - In order to obtain essential information on the formation process of the high-Tc phase in the Bi, Pb-Sr-Ca-Cu-O system, subsolidus phase equilibrium in the systems PbO(PbO2)-SrO-CuO and PbO(PbO2)-CaO-SrO has been studied, mainly by XRD analysis. A pseudoternary Pb-Sr-Cu-O solid solution was newly found. This solid solution has a wide solubility range including its typical composition Pb2.03Sr3Cu0.73O7.70. It has a hexagonal structure with lattice parameters a = 10.11 and c = 7.11 in AU. Composition dependences of the lattice parameters and the decomposition (incongruent melting) temperature of (Ca1_xSrx)2PbO4solid solution are also reported.

AB - In order to obtain essential information on the formation process of the high-Tc phase in the Bi, Pb-Sr-Ca-Cu-O system, subsolidus phase equilibrium in the systems PbO(PbO2)-SrO-CuO and PbO(PbO2)-CaO-SrO has been studied, mainly by XRD analysis. A pseudoternary Pb-Sr-Cu-O solid solution was newly found. This solid solution has a wide solubility range including its typical composition Pb2.03Sr3Cu0.73O7.70. It has a hexagonal structure with lattice parameters a = 10.11 and c = 7.11 in AU. Composition dependences of the lattice parameters and the decomposition (incongruent melting) temperature of (Ca1_xSrx)2PbO4solid solution are also reported.

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