Influence of Co:Mn ratio on multiferroicity of Ca3Co2-xMnxO6 around x∼1

被引：12
|
作者：
Ding, P. [1 ,2 ]
Li, L. [2 ]
Guo, J. [2 ]
He, Q. Y. [1 ]
Gao, X. S. [1 ]
Liu, J. -M. [1 ,2 ,3 ]
机构：
[1] S China Normal Univ, Sch Phys, Lab Quantum Informat Technol, Guangzhou 510006, Guangdong, Peoples R China
[2] Nanjing Univ, Solid State Microstruct Lab, Nanjing 210093, Peoples R China
[3] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 03期
关键词：
calcium compounds; ferroelectric materials; multiferroics; ONE-DIMENSIONAL OXIDES; CA3CO1+XMN1-XO6;
D O I：
10.1063/1.3464289
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A series of polycrystalline Ca3Co2-xMnxO6 with 0.93 < x < 1.07 are prepared in order to investigate the effect of Co:Mn ratio around x similar to 1.0 on the multiferroicity. It is found that the ferroelectric polarization P at low temperature shows significant dependence on the Co:Mn ratio, forming a V-shaped pattern with the lowest point at x similar to 0.99. It is proposed that the suppression of P with the Co:Mn ratio approaching to the best Co/Mn order originates from the disruption of the long range spin order. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3464289]
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页数：3
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