Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas
We report on the influence of plasma‐neutral collisions in the sheath in front of a probe electrode based on the results of particle‐in‐cell simulations. The simulated space potential profiles indicate that the sheath potential drops with increasing neutral gas pressure Pn. According to collisionles...
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| Veröffentlicht in: | Contributions to plasma physics (1988) 2014-04, Vol.54 (3), p.304-307 |
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| container_title | Contributions to plasma physics (1988) |
| container_volume | 54 |
| creator | Ezumi, N. Takahashi, K. Yoshida, T. Hatada, Y. Hayashi, Y. Uchiyama, C. Iio, S. Sawada, K. Ohno, N. Kiss'ovski, Zh |
| description | We report on the influence of plasma‐neutral collisions in the sheath in front of a probe electrode based on the results of particle‐in‐cell simulations. The simulated space potential profiles indicate that the sheath potential drops with increasing neutral gas pressure Pn. According to collisionless theory, the apparent electron temperature is three times higher than that corresponding to the collisionless case at Pn = 0.1 Torr. To explain the deep negative potential at high Pn, the ion reduction factor β for the ion flux is proposed. It is found that β is related to the increased potential drop, however, it is difficult to explain the simulation results quantitatively when only elastic collision between ions and neutral particles are taken into account. (© 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim) |
| doi_str_mv | 10.1002/ctpp.201410074 |
| format | Article |
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The simulated space potential profiles indicate that the sheath potential drops with increasing neutral gas pressure Pn. According to collisionless theory, the apparent electron temperature is three times higher than that corresponding to the collisionless case at Pn = 0.1 Torr. To explain the deep negative potential at high Pn, the ion reduction factor β for the ion flux is proposed. It is found that β is related to the increased potential drop, however, it is difficult to explain the simulation results quantitatively when only elastic collision between ions and neutral particles are taken into account. (© 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</description><identifier>ISSN: 0863-1042</identifier><identifier>EISSN: 1521-3986</identifier><identifier>DOI: 10.1002/ctpp.201410074</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><subject>Atmospheric pressure plasma ; Beta rays ; Collisions ; Electric potential ; Electrodes ; Electron temperature ; particle-in-cell simulation ; probe ; Reduction ; Sheaths ; Simulation</subject><ispartof>Contributions to plasma physics (1988), 2014-04, Vol.54 (3), p.304-307</ispartof><rights>Copyright © 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>Copyright © 2014 WILEY-VCH Verlag GmbH & Co. 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KGaA, Weinheim)</description><subject>Atmospheric pressure plasma</subject><subject>Beta rays</subject><subject>Collisions</subject><subject>Electric potential</subject><subject>Electrodes</subject><subject>Electron temperature</subject><subject>particle-in-cell simulation</subject><subject>probe</subject><subject>Reduction</subject><subject>Sheaths</subject><subject>Simulation</subject><issn>0863-1042</issn><issn>1521-3986</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkE1r3DAQhkVJoZu0154NvfTijT4t-7iYZhPYpD4kpIeCUJQR9Va2XI1Nkn8fL7ssIZeehmGeZ5h5CfnK6JJRys_dOAxLTpmcOy0_kAVTnOWiKosTsqBlIXJGJf9EThG3lNKqkGxBfl_1PkzQO8iiz5pgsbP5DUxjsiGrYwgttrHHLPZZk-IDZNdgcUrQQT9i1vbZauwiDn8gtW4mAHfDwx78TD56GxC-HOoZubv4cVtf5puf66t6tcmdVFLmwpWeKSYsOMs51xoeKgWeu4oXVBdaCOCPzivrpeYVVeWj0opXBdPKq6pU4ox83-8dUvw3AY6ma9FBCLaHOKFhuixYwYXiM_rtHbqNU-rn68x8guRUaS1narmnXIqICbwZUtvZ9GIYNbuwzS5scwx7Fqq98NQGePkPberbpnnr5nu3xRGej65Nf838u1bm_mZtLpua8V-b2pTiFekJkZM</recordid><startdate>201404</startdate><enddate>201404</enddate><creator>Ezumi, N.</creator><creator>Takahashi, K.</creator><creator>Yoshida, T.</creator><creator>Hatada, Y.</creator><creator>Hayashi, Y.</creator><creator>Uchiyama, C.</creator><creator>Iio, S.</creator><creator>Sawada, K.</creator><creator>Ohno, N.</creator><creator>Kiss'ovski, Zh</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>201404</creationdate><title>Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas</title><author>Ezumi, N. ; Takahashi, K. ; Yoshida, T. ; Hatada, Y. ; Hayashi, Y. ; Uchiyama, C. ; Iio, S. ; Sawada, K. ; Ohno, N. ; Kiss'ovski, Zh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4544-3c8f1513aeca22277eb95ef2c926076733e2dcf5af4729058d575296175f59853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Atmospheric pressure plasma</topic><topic>Beta rays</topic><topic>Collisions</topic><topic>Electric potential</topic><topic>Electrodes</topic><topic>Electron temperature</topic><topic>particle-in-cell simulation</topic><topic>probe</topic><topic>Reduction</topic><topic>Sheaths</topic><topic>Simulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ezumi, N.</creatorcontrib><creatorcontrib>Takahashi, K.</creatorcontrib><creatorcontrib>Yoshida, T.</creatorcontrib><creatorcontrib>Hatada, Y.</creatorcontrib><creatorcontrib>Hayashi, Y.</creatorcontrib><creatorcontrib>Uchiyama, C.</creatorcontrib><creatorcontrib>Iio, S.</creatorcontrib><creatorcontrib>Sawada, K.</creatorcontrib><creatorcontrib>Ohno, N.</creatorcontrib><creatorcontrib>Kiss'ovski, Zh</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Contributions to plasma physics (1988)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ezumi, N.</au><au>Takahashi, K.</au><au>Yoshida, T.</au><au>Hatada, Y.</au><au>Hayashi, Y.</au><au>Uchiyama, C.</au><au>Iio, S.</au><au>Sawada, K.</au><au>Ohno, N.</au><au>Kiss'ovski, Zh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas</atitle><jtitle>Contributions to plasma physics (1988)</jtitle><addtitle>Contrib. 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(© 2014 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)</abstract><cop>Berlin</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/ctpp.201410074</doi><tpages>4</tpages></addata></record> |
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| ispartof | Contributions to plasma physics (1988), 2014-04, Vol.54 (3), p.304-307 |
| issn | 0863-1042 1521-3986 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1786162352 |
| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Atmospheric pressure plasma Beta rays Collisions Electric potential Electrodes Electron temperature particle-in-cell simulation probe Reduction Sheaths Simulation |
| title | Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas |
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