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Citation: Zhang Yuankui, Ren Yufang. PREPARATION, STRUCTURE AND ELECTRIC PROPERTY OF La_1-xM_xFe_yCo_1-yO₃(M=Sr, Ba)[J]. Chinese Journal of Applied Chemistry, ;1993, 10(6): 99-101. shu

PREPARATION, STRUCTURE AND ELECTRIC PROPERTY OF La_1-xM_xFe_yCo_1-yO₃(M=Sr, Ba)

1.
Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun

Received Date: 26 November 1992
Available Online: 26 April 1993
Fund Project:

La_1-xM_xFe_yCo_1-yO₃(M=Sr,Ba,x=0.1~0.9,y=0.1~0.9) have been prepared. The crystal of La_0.7Sr_0.3Fe_yCo_1-yO₃(y=0.1,0.3) is rbombohedral. The crystal of other compounds is cubic. The lattice parameters of La_1-xM_xFe_yCo_1-yO₃ increase with increasing the yvalue. The lattice parameters of La_1-xSr_xFe_0.7Co_0.3O₃ decrease with the increase of the x value, but that of La_1-xBa_xFe_0.7Co_0.3O₃ increase with the increase of the x value. All the compounds are semiconductors. Their resistivities increase with increasing the y value when x=0.3; decrease with increasing the x value when y=0.7 and x=0.1~0.5; and increase with increasing the x value when y=0.7 and x=0.5~0.9.
- rare earth complex oxide,
- iron oxide,
- cobalt oxide
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PREPARATION, STRUCTURE AND ELECTRIC PROPERTY OF La1-xMxFeyCo1-yO3(M=Sr, Ba)

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通讯作者: 陈斌, bchen63@163.com

PREPARATION, STRUCTURE AND ELECTRIC PROPERTY OF La_1-xM_xFe_yCo_1-yO₃(M=Sr, Ba)