Formation of the Pb-added Bi-2212 phase

Makoto Hayashi; Minoru Fukuhara; Akira Doi; Naoya Kobayashi; Yasunori Ikeda; Mikio Takano; Yoshichika Bando; Yoshihiro Kusano; Jun Takada

doi:10.2497/jjspm.41.1492

Formation of the Pb-added Bi-2212 phase

Makoto Hayashi, Minoru Fukuhara, Akira Doi, Naoya Kobayashi, Yasunori Ikeda, Mikio Takano, Yoshichika Bando, Yoshihiro Kusano, Jun Takada

Faculty of Engineering

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

1 Citation (Scopus)

Abstract

The compositional range and the structure of the solid solution of the Pb-added 2212 phase has been studied in Bi₂Sr_3-xCa_xCu₂Pb_yO_z heated in Ar at 795°C to 822°C. The monophasic compositional range increases as x decreases. For x=1.25 monophasic products with y⪳0.6 can be obtained. The structure symmetry changes from tetragonal in y⪳0.3 to orthorhombic in y≧0.4. The monophasic compositional range and the Pb-compositional dependence of the lattice parameters in the Pb-added 2212 phase are remarkably different from those in Bi_2-yPb_ySr_1.5Ca_1.5Cu₂O_z reported so far. Tc decreases as y increases.

Original language	English
Pages (from-to)	1492-1496
Number of pages	5
Journal	Journal of the Japan Society of Powder and Powder Metallurgy
Volume	41
Issue number	12
DOIs	https://doi.org/10.2497/jjspm.41.1492
Publication status	Published - Feb 1 1994

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

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title = "Formation of the Pb-added Bi-2212 phase",

abstract = "The compositional range and the structure of the solid solution of the Pb-added 2212 phase has been studied in Bi2Sr3-xCaxCu2PbyOz heated in Ar at 795°C to 822°C. The monophasic compositional range increases as x decreases. For x=1.25 monophasic products with y⪳0.6 can be obtained. The structure symmetry changes from tetragonal in y⪳0.3 to orthorhombic in y≧0.4. The monophasic compositional range and the Pb-compositional dependence of the lattice parameters in the Pb-added 2212 phase are remarkably different from those in Bi2-yPbySr1.5Ca1.5Cu2Oz reported so far. Tc decreases as y increases.",

author = "Makoto Hayashi and Minoru Fukuhara and Akira Doi and Naoya Kobayashi and Yasunori Ikeda and Mikio Takano and Yoshichika Bando and Yoshihiro Kusano and Jun Takada",

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doi = "10.2497/jjspm.41.1492",

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T1 - Formation of the Pb-added Bi-2212 phase

AU - Hayashi, Makoto

AU - Fukuhara, Minoru

AU - Doi, Akira

AU - Kobayashi, Naoya

AU - Ikeda, Yasunori

AU - Takano, Mikio

AU - Bando, Yoshichika

AU - Kusano, Yoshihiro

AU - Takada, Jun

PY - 1994/2/1

Y1 - 1994/2/1

N2 - The compositional range and the structure of the solid solution of the Pb-added 2212 phase has been studied in Bi2Sr3-xCaxCu2PbyOz heated in Ar at 795°C to 822°C. The monophasic compositional range increases as x decreases. For x=1.25 monophasic products with y⪳0.6 can be obtained. The structure symmetry changes from tetragonal in y⪳0.3 to orthorhombic in y≧0.4. The monophasic compositional range and the Pb-compositional dependence of the lattice parameters in the Pb-added 2212 phase are remarkably different from those in Bi2-yPbySr1.5Ca1.5Cu2Oz reported so far. Tc decreases as y increases.

AB - The compositional range and the structure of the solid solution of the Pb-added 2212 phase has been studied in Bi2Sr3-xCaxCu2PbyOz heated in Ar at 795°C to 822°C. The monophasic compositional range increases as x decreases. For x=1.25 monophasic products with y⪳0.6 can be obtained. The structure symmetry changes from tetragonal in y⪳0.3 to orthorhombic in y≧0.4. The monophasic compositional range and the Pb-compositional dependence of the lattice parameters in the Pb-added 2212 phase are remarkably different from those in Bi2-yPbySr1.5Ca1.5Cu2Oz reported so far. Tc decreases as y increases.

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