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Measurement of secondary ionization coefficient of CaO film electrode *

Published online by Cambridge University Press:  15 February 2013

Susumu Suzuki ,
Yasuhide Kashiwagi  and
Haruo Itoh
Susumu Suzuki*
Affiliation:
Department of Electrical, Electronic and Computer Engineering, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan
Yasuhide Kashiwagi
Affiliation:
Department of Electrical and Electronic Engineering, Kisarazu National College of Technology, Kiyomidaihigashi, Kisarazu, Chiba 292-0041, Japan
Haruo Itoh
Affiliation:
Department of Electrical, Electronic and Computer Engineering, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan
*
ae-mail: [email protected]
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Abstract

The secondary ionization coefficient γ of a CaO film electrode is investigated taking into account the difference in breakdown voltage obtained by repeated voltage applications. Such measurement is performed under a sinusoidal voltage of 0.5 Hz. If the CaO film electrode acts as the cathode, breakdown voltage gradually decreases and converges to an almost constant value after several breakdowns. From the obtained results, the γ of the CaO film electrode is determined for each breakdown using Townsend’s criterion. The γ in the first breakdown is lower than those in subsequent breakdowns, particularly in the steady state. The difference in γ is considered to originate from accumulated charges on the CaO film electrode.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 61 , Issue 2: Topical issue: 13th International Symposium on High Pressure Low Temperature Plasma Chemistry (Hakone XIII). Edited by Nicolas Gherardi, Henryca Danuta Stryczewska and Yvan Ségui , February 2013 , 24313
Copyright
© EDP Sciences, 2013

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Footnotes

*

Contribution to the Topical Issue “13th International Symposium on High Pressure Low Temperature Plasma Chemistry (Hakone XIII)”, Edited by Nicolas Gherardi, Henryca Danuta Stryczewska and Yvan Ségui.

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