Abstract:
We develop a kinetic formalism to determine the charge spatial distribution and the self-consistent electrostatic potential in the grid-collector region of a retarding field analyser system applied to vacuum arc devices. This work is the natural extension of a previous work where a uniform spatial distribution of charge was assumed to explain certain anomalies arising in measurements of vacuum arc ion energy distributions, if charge effects were not included. We compare different approaches (no charge effects, spatially uniform charge density and kinetic treatment) which can be used to find the ion energy distribution in vacuum arcs. We show that under conditions usually met in these devices it is necessary to use the kinetic approach for the correct interpretation of measurements employing retarding field analysers.
Registro:
Documento: |
Artículo
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Título: | Kinetic model for the evaluation of spatial charge effects in retarding field analysers applied to vacuum arc devices |
Autor: | Kelly, H.; Minotti, F.; Márquez, A.; Grondona, D. |
Filiación: | Instituto Física del Plasma, Departamento de Física, Facultad Ciencias Exactas Naturales, Cuidad Universitaria Pab. 1, Buenos Aires 1428, Argentina
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Palabras clave: | Ion energy distribution; Retarding field analyser; Spatial charge; Vacuum arc; Kinetic energy; Light modulation; Vacuum arcs; Vacuum applications; Kinetics; measurement method; plasma jet; plasma treatment; vacuum system |
Año: | 2002
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Volumen: | 13
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Número: | 4
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Página de inicio: | 623
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Página de fin: | 630
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DOI: |
http://dx.doi.org/10.1088/0957-0233/13/4/327 |
Título revista: | Measurement Science and Technology
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Título revista abreviado: | Meas. Sci. Technol.
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ISSN: | 09570233
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CODEN: | MSTCE
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09570233_v13_n4_p623_Kelly |
Referencias:
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Citas:
---------- APA ----------
Kelly, H., Minotti, F., Márquez, A. & Grondona, D.
(2002)
. Kinetic model for the evaluation of spatial charge effects in retarding field analysers applied to vacuum arc devices. Measurement Science and Technology, 13(4), 623-630.
http://dx.doi.org/10.1088/0957-0233/13/4/327---------- CHICAGO ----------
Kelly, H., Minotti, F., Márquez, A., Grondona, D.
"Kinetic model for the evaluation of spatial charge effects in retarding field analysers applied to vacuum arc devices"
. Measurement Science and Technology 13, no. 4
(2002) : 623-630.
http://dx.doi.org/10.1088/0957-0233/13/4/327---------- MLA ----------
Kelly, H., Minotti, F., Márquez, A., Grondona, D.
"Kinetic model for the evaluation of spatial charge effects in retarding field analysers applied to vacuum arc devices"
. Measurement Science and Technology, vol. 13, no. 4, 2002, pp. 623-630.
http://dx.doi.org/10.1088/0957-0233/13/4/327---------- VANCOUVER ----------
Kelly, H., Minotti, F., Márquez, A., Grondona, D. Kinetic model for the evaluation of spatial charge effects in retarding field analysers applied to vacuum arc devices. Meas. Sci. Technol. 2002;13(4):623-630.
http://dx.doi.org/10.1088/0957-0233/13/4/327