F. Tao, X. Zhou, G. Che, S. Zhu, B. Zhao: Phase Formation and Structure of (RE,M)2Ca0.5Sr0.5Cu2O6+d (RE=La,Pr, M=Ca,Sr)

Crystal Research and Technology
Cryst. Res. Technol. 34 (1999) 837 - Abstract -

F. Tao, X. Zhou*, G. Che**, S. Zhu, B. Zhao

Department of Materials Science, Sichuan University, Chengdu, P.R.China
*Yuzhou University, Chongqing, P.R.China
**Institute of Physics, Chinese Academy of Sciences, Beijing, P.R.China

Phase Formation and Structure of (RE,M)₂Ca_0.5Sr_0.5Cu₂O_6+d (RE=La,Pr, M=Ca,Sr)

The samples of (RE,M)₂Ca_0.5Sr_0.5Cu₂O_6+d are prepared by solid state reaction method. The single phase boundary of RE and M in (RE,M)₂Ca_0.5Sr_0.5Cu₂O_6+d is 1.0~2.0 and 0~1.0 respectively. In (Pr,M)₂Ca_0.5Sr_0.5Cu₂O_6+d , the phase boundary of Sr is 0~1.0. The structure of (RE,M)₂Ca_0.5Sr_0.5Cu₂O_6+d belongs to the structure type of 212 cuprate superconductors with space group I4/mmm.

Keywords: phase formation, structure, cuprate

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