Effective response in nonlinear spherical coated composites under external AC and DC electric field

doi:10.1088/1674-1056/21/8/087201

Abstract By using the perturbation method, effective nonlinear direct current (DC) and alternating current (AC) responses of nonlinear composites with spherical coated inclusions randomly embedded in a host medium are studied under the action of external electric field E_a =E₀ +E₁ sin ωt+E₃ sin 3ωt with different amplitudes and frequencies. The local potentials of composites at all harmonics are given in the inclusion particles and the host regions. All effective nonlinear responses to composites and the relationship between the effective nonlinear responses at all harmonics are also deduced for the spherical coated inclusions in a dilute limit.

Keywords: nonlinear spherical coated composites effective nonlinear response the external AC and DC electric field

Received: 07 January 2012
Revised: 12 February 2012
Accepted manuscript online:

PACS:	72.20.Ht	(High-field and nonlinear effects)
	72.60.+g	(Mixed conductivity and conductivity transitions)

Fund: Project supported by the Natural Science Foundation of Inner Mongolia, China (Grant No. 2011MS0113) and the Talent Foundation of Inner Mongolia (2010), China.

Corresponding Authors: Chen Xiao-Gang
E-mail: xiaogang chen@imut.edu.cn

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Bao Shu-Hong (包曙红), Chen Xiao-Gang (陈小刚), Li Qian-Qian (李倩倩), Guo Jun-Ming (郭军明), Zhai Li-Li (翟丽丽 ) Effective response in nonlinear spherical coated composites under external AC and DC electric field 2012 Chin. Phys. B 21 087201

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[1]	Effective AC response of nonlinear spherical coated composite Hao Yan-Hua(郝艳华), Chen Xiao-Gang(陈小刚), Hou Rui(侯睿), and Wang Rui(王瑞). Chin. Phys. B, 2010, 19(6): 067202.
[2]	Effective response of nonlinear cylindrical coated composites under external AC and DC electric field Shen Yu-Yan(沈玉艳), Chen Xiao-Gang(陈小刚), Cui Wei(崔巍), Hao Yan-Hua(郝艳华), and Li Qian-Qian(李倩倩). Chin. Phys. B, 2009, 18(2): 757-762.
[3]	Effective nonlinear AC response to composite with spherical particles Chen Xiao-Gang (陈小刚), Liang Fang-Chu (梁方楚), Wei En-Bo (魏恩泊). Chin. Phys. B, 2005, 14(6): 1217-1222.

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