Spatiotemporally controllable plasma lattice structures in dielectric barrier discharge

Weili Fan, Zhengming Sheng, Wei Dang, Yueqiang Liang, Kuangya Gao, Lifang Dong

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Abstract

A method to generate spatiotemporally controllable plasma lattice structures via dielectric barrier discharge is proposed by utilizing a latticed water electrode. A variety of plasma lattice structures including triangle, hexagon, honeycomb, and complex superlattices are obtained by changing three parameters including the applied voltage, the gas pressure, and the gas compositions. Moreover, these plasma lattices can be quickly reconstructed, allowing for active control both in space and time. Two-dimensional particle-in-cell simulations are carried out to demonstrate the formation of plasma structures under different voltages, which are in good agreement with experimental observations. Our method provides a unique way for the fabrication of controllable plasma lattice structures, which may enable tunable control of microwave radiation for wide applications.

Original languageEnglish
Article number064057
Number of pages8
JournalPhysical Review Applied
Volume11
Issue number6
DOIs
Publication statusPublished - 25 Jun 2019

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Keywords

  • plasma lattice structures
  • dielectric barrier discharge
  • two-dimensional particle-in-cell simulations

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