Change of fundamental properties of dielectric barrier discharge due to the alumina-based barrier layer composition

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Publikace nespadá pod Filozofickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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KELAR Jakub PŘIBYL Roman PAZDERKA Michal KELAR TUČEKOVÁ Zlata ZEMÁNEK Miroslav ČERNÁK Mirko

Rok publikování 2020
Druh Článek v odborném periodiku
Časopis / Zdroj Vacuum
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://www.sciencedirect.com/science/article/pii/S0042207X20300178?via%3Dihub
Doi http://dx.doi.org/10.1016/j.vacuum.2020.109180
Klíčová slova ignition voltage; quenching voltage; coplanar DBD; plasma; ceramics tape casting; surface roughness; specialised barrier layer
Popis Dielectric barrier discharges (DBDs) are widely used in various branches of industry. One of the main characteristics of the DBD is the material of the dielectric barrier–in present days, alumina ceramic is the most frequently used material. Basic plasma parameters are affected by the chemical composition of these dielectric barriers, and also by their surface properties. These surface properties are even more dominant in a coplanar arrangement of the DBD (CDBD). Due to this fact, we studied the effect of adding several types of oxides into a pure alumina ceramic (Al2O3). The aim was to determine the impact of the chemical composition of the dielectric barrier and to see complex changes in respect to the surface morphology of the CDBD barrier layer. In the presented study, we focused mainly on determining ignition voltage and quenching voltage. With the help of atomic force microscopy (AFM) images, the results of these measurements were put into correlation with the surface structure of the DBD barrier.
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