Steplike magnetocapacitance and dielectric relaxation in spin frustrated Ca3Co2O6

被引：0
|
作者：
Li, P.L. [2 ]
Yao, X.Y. [2 ]
Wang, K.F. [2 ]
Lu, C.L. [2 ]
Gao, F. [2 ]
Liu, J.-M. [1 ]
机构：
[1] Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
[2] International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China
来源：
Journal of Applied Physics | 2008年 / 104卷 / 05期
关键词：
The dielectric relaxation and magnetocapacitance effect of one-dimensional spin frustrated compound Ca3 Co2 O6 are investigated. The steplike magnetocapacitance effect is observed and one to one corresponds to the steplike magnetization. We explain this phenomenon from the spin configuration dependent dielectric response. The simulation results using the Monte Carlo method are in good agreement with experimental data at low temperature. The close correspondence between the magnetic and dielectric properties indicates that the coupling is the intrinsic character of Ca3 Co2 O. The steplike magnetocapacitance effect may find potential applications in data storage and sensors. © 2008 American Institute of Physics;
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