Enhancement of electrostatic field by a metamaterial electrostatic concentrator

Enhancement of electrostatic field by a metamaterial electrostatic concentrator
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通过超材料静电集中器增强静电场

DOI:
10.1016/j.jallcom.2017.05.177
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发表时间:
2017-11
影响因子:
6.2
通讯作者:
Ji Zhou
Ji Zhou
中科院分区:
材料科学2区
文献类型:
--
作者:
Wenmei Liu;Chuwen Lan;Zehua Gao;Ke Bi;Xiaojian Fu;Bo Li;Ji Zhou

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在这项工作中,我们提出了一种使用静电超材料的静电场集中器。具体地说,利用具有各向异性介电常数的壳体将静电场集中到核心区,以获得增强的静电场(外加静电场强度的192%),同时保持外场不失真。因此,设计、制造和测试了一种由交替楔形组成的扇形结构。实验结果与仿真结果吻合较好,证明了该方案的可行性。我们的研究表明,该装置在无创检测、能量传递等与静电相关的领域具有潜在的应用前景。
In this work, we propose an electrostatic field concentrator using electrostatic metamaterial. Specifically, a shell with anisotropic dielectric constant is employed to concentrate the electrostatic field into core region to achieve an enhanced electrostatic field (192% of the applied electrostatic field intensity) and keep the external field undistorted simultaneously. As such, a fan-shaped structure consisting of alternating wedges is designed, fabricated and tested. The good agreement between the experimental and simulated results certifies the feasibility of our scheme. Our study suggests that the proposed device has potential applications in noninvasive detection, energy transfer and other electrostatic related fields.
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