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  • Title: Note: A novel dielectric barrier discharge system for generating stable patterns in wide range.
    Author: Liu W, Wang Y, Zhang H, Pan Y, Dong L.
    Journal: Rev Sci Instrum; 2016 May; 87(5):056101. PubMed ID: 27250476.
    Abstract:
    We develop a novel dielectric barrier discharge (DBD) system with a meshed water electrode to generate stable square superlattice patterns (MSSP) in Ar/air mixture in a wide range of experimental environments. Discharge scenarios with the applied voltage increasing in the meshed DBD and ordinary DBD are presented respectively under the same experimental conditions. It is found that a square pattern and MSSP can be obtained stably and easily in meshed DBD, while no pattern emerges in ordinary DBD. MSSP can be formed when the Ar content is from 0% to 70%, and the corresponding applied voltage decreases with Ar content increasing. Results based on optical methods show that MSSP is generated by artificially designed electrodes together with nonlinear characteristics of DBD, which may account for why patterns in meshed DBD exist in a wide range.
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