Phases and their relations in the BaO(BaCO3)-CaO-CuO system

Yoshihiro Kusano; Takeyuki Kikuchi; Jun Takada; Yasunori Ikeda; Mikio Takano; Yoshichika Bando

doi:10.2497/jjspm.43.157

Phases and their relations in the BaO(BaCO₃)-CaO-CuO system

Yoshihiro Kusano, Takeyuki Kikuchi, Jun Takada, Yasunori Ikeda, Mikio Takano, Yoshichika Bando

Faculty of Engineering

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

1 Citation (Scopus)

Abstract

Phases and their relations in the BaO(BaCO₃)-CaO-CuO system at 900°C in air have been studied by XRD. The formation of two types of copper oxycarbonates were newly formed: one is a phase with a composition of Ba:Ca:Cu=0.600:0.080:0.320 and the other is a solid solution formed in a region of the compositional triangle of (Ba:Ca:Cu)=(0.666:0:0.333)-(0.650:0.017:0.333)-(0.650:0.070:0.280). The crystal structures of these phases have been determined by XRD, TEM and ED. These copper oxide carbonates commonly have tetragonal structures with a≈√2 a_p and c≈2a_p. Unfortunately, no diamagnetic response was observed for the new two copper oxycarbonates.

Original language	English
Pages (from-to)	157-161
Number of pages	5
Journal	Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume	43
Issue number	2
DOIs	https://doi.org/10.2497/jjspm.43.157
Publication status	Published - Feb 1996

Keywords

BaO(BaCO)-CaO-CuO system
New copper oxycarbonate
Phase diagram
Susceptibility
TEM image

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.2497/jjspm.43.157

Cite this

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title = "Phases and their relations in the BaO(BaCO3)-CaO-CuO system",

abstract = "Phases and their relations in the BaO(BaCO3)-CaO-CuO system at 900°C in air have been studied by XRD. The formation of two types of copper oxycarbonates were newly formed: one is a phase with a composition of Ba:Ca:Cu=0.600:0.080:0.320 and the other is a solid solution formed in a region of the compositional triangle of (Ba:Ca:Cu)=(0.666:0:0.333)-(0.650:0.017:0.333)-(0.650:0.070:0.280). The crystal structures of these phases have been determined by XRD, TEM and ED. These copper oxide carbonates commonly have tetragonal structures with a≈√2 ap and c≈2ap. Unfortunately, no diamagnetic response was observed for the new two copper oxycarbonates.",

keywords = "BaO(BaCO)-CaO-CuO system, New copper oxycarbonate, Phase diagram, Susceptibility, TEM image",

author = "Yoshihiro Kusano and Takeyuki Kikuchi and Jun Takada and Yasunori Ikeda and Mikio Takano and Yoshichika Bando",

year = "1996",

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AU - Kusano, Yoshihiro

AU - Kikuchi, Takeyuki

AU - Takada, Jun

AU - Ikeda, Yasunori

AU - Takano, Mikio

AU - Bando, Yoshichika

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N2 - Phases and their relations in the BaO(BaCO3)-CaO-CuO system at 900°C in air have been studied by XRD. The formation of two types of copper oxycarbonates were newly formed: one is a phase with a composition of Ba:Ca:Cu=0.600:0.080:0.320 and the other is a solid solution formed in a region of the compositional triangle of (Ba:Ca:Cu)=(0.666:0:0.333)-(0.650:0.017:0.333)-(0.650:0.070:0.280). The crystal structures of these phases have been determined by XRD, TEM and ED. These copper oxide carbonates commonly have tetragonal structures with a≈√2 ap and c≈2ap. Unfortunately, no diamagnetic response was observed for the new two copper oxycarbonates.

AB - Phases and their relations in the BaO(BaCO3)-CaO-CuO system at 900°C in air have been studied by XRD. The formation of two types of copper oxycarbonates were newly formed: one is a phase with a composition of Ba:Ca:Cu=0.600:0.080:0.320 and the other is a solid solution formed in a region of the compositional triangle of (Ba:Ca:Cu)=(0.666:0:0.333)-(0.650:0.017:0.333)-(0.650:0.070:0.280). The crystal structures of these phases have been determined by XRD, TEM and ED. These copper oxide carbonates commonly have tetragonal structures with a≈√2 ap and c≈2ap. Unfortunately, no diamagnetic response was observed for the new two copper oxycarbonates.

KW - BaO(BaCO)-CaO-CuO system

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KW - Susceptibility

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