Phases and their Relations in the BiO1.5-SrO(SrCO3)-CuO System at 720°C

Yoshihiro Kusano; Tokuro Nanba; Jun Takada; Yasunori Ikeda; Mikio Takano; Yasuo Takeda

doi:10.2497/jjspm.40.1049

Phases and their Relations in the BiO_1.5-SrO(SrCO₃)-CuO System at 720°C

Yoshihiro Kusano, Tokuro Nanba, Jun Takada, Yasunori Ikeda, Mikio Takano, Yasuo Takeda

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JOURNAL FREE ACCESS

1993 Volume 40 Issue 11 Pages 1049-1052

DOI https://doi.org/10.2497/jjspm.40.1049

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Abstract

Phases and their relations in the BiO_1.5-SrO(SrCO₃)-CuO system have been studied mainly by XRD. The crystal structure of the newly found phase has been examined by XRD, TEM and ED. Phase equilibrium was established at 720°C in air. Monophasic products of the newly found phase were obtained at 720°C for a composition of Bi:Sr:Cu=0.25:0.55:0.20. The newly found phase has a tetragonal structure with lattice parameters of a=5.513Å and c=39.93Å.

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