DC Field | Value | Language |
---|---|---|
dc.contributor.author | Park, Sanghoo | ko |
dc.contributor.author | Choe, Wonho | ko |
dc.contributor.author | Moon, Se Youn | ko |
dc.contributor.author | Shi, Jian Jun | ko |
dc.date.accessioned | 2018-06-16T07:21:31Z | - |
dc.date.available | 2018-06-16T07:21:31Z | - |
dc.date.created | 2018-06-04 | - |
dc.date.created | 2018-06-04 | - |
dc.date.created | 2018-06-04 | - |
dc.date.created | 2018-06-04 | - |
dc.date.issued | 2018-05 | - |
dc.identifier.citation | SCIENTIFIC REPORTS, v.8 | - |
dc.identifier.issn | 2045-2322 | - |
dc.identifier.uri | http://hdl.handle.net/10203/242465 | - |
dc.description.abstract | Determining the electron properties of weakly ionized gases, particularly in a high electron-neutral collisional condition, is a nontrivial task; thus, the mechanisms underlying the electron characteristics and electron heating structure in radio-frequency (rf) collisional discharges remain unclear. Here, we report the electrical characteristics and electron information in single-frequency (4.52 MHz and 13.56 MHz) and dual-frequency (a combination of 4.52 MHz and 13.56 MHz) capacitive discharges within the abnormal alpha-mode regime at atmospheric pressure. A continuum radiation-based electron diagnostic method is employed to estimate the electron density (n(e)) and temperature (T-e). Our experimental observations reveal that time-averaged ne (7.7-14 x 10(11) cm(-3)) and T-e (1.75-2.5 eV) can be independently controlled in dual-frequency discharge, whereas such control is nontrivial in single-frequency discharge, which shows a linear increase in ne and little to no change in T-e with increases in the rf input power. Furthermore, the two-dimensional spatiotemporal evolution of neutral bremsstrahlung and associated electron heating structures is demonstrated. These results reveal that a symmetric structure in electron heating becomes asymmetric (via a local suppression of electron temperature) as two-frequency power is simultaneously introduced. | - |
dc.language | English | - |
dc.publisher | NATURE PUBLISHING GROUP | - |
dc.title | Electron Information in Single-and Dual-Frequency Capacitive Discharges at Atmospheric Pressure | - |
dc.type | Article | - |
dc.identifier.wosid | 000431955100021 | - |
dc.identifier.scopusid | 2-s2.0-85047012339 | - |
dc.type.rims | ART | - |
dc.citation.volume | 8 | - |
dc.citation.publicationname | SCIENTIFIC REPORTS | - |
dc.identifier.doi | 10.1038/s41598-018-25892-w | - |
dc.contributor.localauthor | Park, Sanghoo | - |
dc.contributor.localauthor | Choe, Wonho | - |
dc.contributor.nonIdAuthor | Moon, Se Youn | - |
dc.contributor.nonIdAuthor | Shi, Jian Jun | - |
dc.description.isOpenAccess | Y | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | NEUTRAL BREMSSTRAHLUNG | - |
dc.subject.keywordPlus | MODE TRANSITION | - |
dc.subject.keywordPlus | CROSS-SECTIONS | - |
dc.subject.keywordPlus | AR | - |
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