Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method

高等学校化学研究 ›› 2011, Vol. 27 ›› Issue (1): 15-18.

Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method

DONG Zhong-ping, HU Bin, CHEN Yan, YUAN Hong-ming* and FENG Shou-hua

State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China

收稿日期:2010-05-21 修回日期:2010-08-20 出版日期:2011-01-25 发布日期:2011-01-04
通讯作者: YUAN Hong-ming E-mail:hmyuan@mail.jlu.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(Nos.90922034, 20771042).

Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method

DONG Zhong-ping, HU Bin, CHEN Yan, YUAN Hong-ming* and FENG Shou-hua

State Key Laboratory of Inorganic Synthesis & Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China

Received:2010-05-21 Revised:2010-08-20 Online:2011-01-25 Published:2011-01-04
Contact: YUAN Hong-ming E-mail:hmyuan@mail.jlu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(Nos.90922034, 20771042).

摘要/Abstract

摘要： Polycrystallines Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) were prepared by molten salt method and showed perovskite orthorhombic structure with space group Pnma. The magnetic measurements indicate that the compounds exhibit antiferromagnetic behavior in a temperature range of 4―300 K. The measurements of transport properties suggest that the substitution of La for Ca enhanced the conductivity, and a kink appeared on the curve of temperature dependence of resistivity at 275 K, which is related to the spin-reorientation in the samples.

关键词: Perovskite, Doping, Magnetism, Spin-reorientation

Abstract: Polycrystallines Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) were prepared by molten salt method and showed perovskite orthorhombic structure with space group Pnma. The magnetic measurements indicate that the compounds exhibit antiferromagnetic behavior in a temperature range of 4―300 K. The measurements of transport properties suggest that the substitution of La for Ca enhanced the conductivity, and a kink appeared on the curve of temperature dependence of resistivity at 275 K, which is related to the spin-reorientation in the samples.

Key words: Perovskite, Doping, Magnetism, Spin-reorientation

DONG Zhong-ping, HU Bin, CHEN Yan, YUAN Hong-ming* and FENG Shou-hua. Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method[J]. 高等学校化学研究, 2011, 27(1): 15-18.

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Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method

Magnetic and Transport Properties of Bi0.5Ca0.5–xLaxFe0.3Mn0.7O3(x=0, 0.05, 0.10, 0.15, 0.20, 0.25) Prepared by Molten Salt Method

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