Artículo
Large gap atmospheric pressure barrier discharges using ferroelectric materials
Autor/es | Navascués, Paula
Rodríguez González-Elipe, Agustín Cotrino Bautista, José Gómez Ramírez, Ana María |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2019 |
Fecha de depósito | 2023-02-13 |
Publicado en |
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Resumen | This work reports a phenomenological comparative study of atmospheric pressure barrier plasmas using ferroelectric (ferroelectric barrier discharge (FBD)) and dielectric (dielectric barrier discharge (DBD)) plates to ... This work reports a phenomenological comparative study of atmospheric pressure barrier plasmas using ferroelectric (ferroelectric barrier discharge (FBD)) and dielectric (dielectric barrier discharge (DBD)) plates to moderate the discharge. For FBD operation and large inter-electrode distances, experiments with helium carried out in a parallel plate reactor as a function of applied voltage have shown an enhancement of one order of magnitude in the charge transferred through the circuit. In a similar way to DBDs, FBDs rendered a laterally localized arrangement of discrete columnar discharges with a pattern distribution and an overall current intensity that depended on operation conditions. However, unlike the regular columnar pattern found for DBD operation, discharge columns in the FBD mode appear randomly and inhomogeneously distributed on the ferroelectric surface. This geometrical behavior of FBD plasma columns, as well as the singular variation of current with applied voltage and the particular shape characteristics of the current discharge curves have been accounted for by the high capacity of ferroelectric surfaces to randomly accumulate charge and to promote the emission of secondary electrons in the presence of a plasma. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España Junta de Andalucía |
Identificador del proyecto | MAT2013-40852-R
MAT2016- 79866-R MINECO-CSIC 201560E055 P12-2265 MO |
Cita | Navascués, P., Rodríguez González-Elipe, A., Cotrino Bautista, J. y Gómez Ramírez, A.M. (2019). Large gap atmospheric pressure barrier discharges using ferroelectric materials. Plasma Sources Science and Technology, 28 (7), 075002. https://doi.org/10.1088/1361-6595/ab28ce. |
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