Measurement of plasma parameters in He microdischarge by means of additional sensor electrode
The temperature and density of electrons are measured in a high pressure dc He microdischarge plasma. An additional electrode sensor, placed at the boundary of the discharge volume, is used to measure the sensor current-voltage characteristics and their first and second derivatives. The electron tem...
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| Veröffentlicht in: | Physics of plasmas 2017-05, Vol.24 (5) |
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| container_title | Physics of plasmas |
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| creator | Kudryavtsev, A. A. Saifutdinov, A. I. Stefanova, M. S. Pramatarov, P. M. Sysoev, S. S. |
| description | The temperature and density of electrons are measured in a high pressure dc He microdischarge plasma. An additional electrode sensor, placed at the boundary of the discharge volume, is used to measure the sensor current-voltage characteristics and their first and second derivatives. The electron temperature is determined from the transition region of the sensor current-voltage characteristics, in particular from the slow part of the Electron Energy Distribution Function. The electron density is determined from the ion saturation current. The results from the measurements show that the temperature of the slow group of electrons is low about 0.2–0.3 eV and the electron density is about 1012–1014 cm−3. |
| doi_str_mv | 10.1063/1.4983620 |
| format | Article |
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A. ; Saifutdinov, A. I. ; Stefanova, M. S. ; Pramatarov, P. M. ; Sysoev, S. S.</creator><creatorcontrib>Kudryavtsev, A. A. ; Saifutdinov, A. I. ; Stefanova, M. S. ; Pramatarov, P. M. ; Sysoev, S. S.</creatorcontrib><description>The temperature and density of electrons are measured in a high pressure dc He microdischarge plasma. An additional electrode sensor, placed at the boundary of the discharge volume, is used to measure the sensor current-voltage characteristics and their first and second derivatives. The electron temperature is determined from the transition region of the sensor current-voltage characteristics, in particular from the slow part of the Electron Energy Distribution Function. The electron density is determined from the ion saturation current. The results from the measurements show that the temperature of the slow group of electrons is low about 0.2–0.3 eV and the electron density is about 1012–1014 cm−3.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.4983620</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Current voltage characteristics ; Distribution functions ; Electrodes ; Electron density ; Electron energy ; Electron energy distribution ; Plasma ; Plasma physics ; Sensors</subject><ispartof>Physics of plasmas, 2017-05, Vol.24 (5)</ispartof><rights>Author(s)</rights><rights>2017 Author(s). 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S.</creatorcontrib><title>Measurement of plasma parameters in He microdischarge by means of additional sensor electrode</title><title>Physics of plasmas</title><description>The temperature and density of electrons are measured in a high pressure dc He microdischarge plasma. An additional electrode sensor, placed at the boundary of the discharge volume, is used to measure the sensor current-voltage characteristics and their first and second derivatives. The electron temperature is determined from the transition region of the sensor current-voltage characteristics, in particular from the slow part of the Electron Energy Distribution Function. The electron density is determined from the ion saturation current. The results from the measurements show that the temperature of the slow group of electrons is low about 0.2–0.3 eV and the electron density is about 1012–1014 cm−3.</description><subject>Current voltage characteristics</subject><subject>Distribution functions</subject><subject>Electrodes</subject><subject>Electron density</subject><subject>Electron energy</subject><subject>Electron energy distribution</subject><subject>Plasma</subject><subject>Plasma physics</subject><subject>Sensors</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqd0E1LAzEQBuAgCtbqwX8Q8KSwNcnOZrNHKWqFihcFL7JMk4lu2S-TrdB_75YWvHua9_DMMDOMXUoxk0Knt3IGhUm1EkdsIoUpklzncLzLuUi0hvdTdhbjWggBOjMT9vFMGDeBGmoH3nne1xgb5D0GbGigEHnV8gXxprKhc1W0Xxg-ia-2vCFs464FnauGqmux5pHa2AVONdlh5HTOTjzWkS4OdcreHu5f54tk-fL4NL9bJjZV-ZCgBacyMOhghUoIazTSmAgFiExCZpQWNgdtcqO8d8LlUiC4LPNQaK_SKbvaz-1D972hOJTrbhPGjWKppAIoMgA9quu9Gk-JMZAv-1A1GLalFOXue6UsD98b7c3eRlsNuDvvf_inC3-w7J1PfwEhMX33</recordid><startdate>201705</startdate><enddate>201705</enddate><creator>Kudryavtsev, A. 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An additional electrode sensor, placed at the boundary of the discharge volume, is used to measure the sensor current-voltage characteristics and their first and second derivatives. The electron temperature is determined from the transition region of the sensor current-voltage characteristics, in particular from the slow part of the Electron Energy Distribution Function. The electron density is determined from the ion saturation current. The results from the measurements show that the temperature of the slow group of electrons is low about 0.2–0.3 eV and the electron density is about 1012–1014 cm−3.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4983620</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-4776-3657</orcidid></addata></record> |
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| ispartof | Physics of plasmas, 2017-05, Vol.24 (5) |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Current voltage characteristics Distribution functions Electrodes Electron density Electron energy Electron energy distribution Plasma Plasma physics Sensors |
| title | Measurement of plasma parameters in He microdischarge by means of additional sensor electrode |
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