Transition of electron kinetics in weakly magnetized inductively coupled plasmas
- Authors
- Kim, Jin-Yong; Lee, Hyo-Chang; Kim, Young-Do; Kim, Young-Cheol; Chung, Chin-Wook
- Issue Date
- Oct-2013
- Publisher
- AMER INST PHYSICS
- Citation
- PHYSICS OF PLASMAS, v.20, no.10, pp.1 - 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICS OF PLASMAS
- Volume
- 20
- Number
- 10
- Start Page
- 1
- End Page
- 6
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161845
- DOI
- 10.1063/1.4826949
- ISSN
- 1070-664X
- Abstract
- Transition of the electron kinetics from nonlocal to local regime was studied in weakly magnetized solenoidal inductively coupled plasma from the measurement of the electron energy probability function (EEPF). Without DC magnetic field, the discharge property was governed by nonlocal electron kinetics at low gas pressure. The electron temperatures were almost same in radial position, and the EEPFs in total electron energy scale were radially coincided. However, when the DC magnetic field was applied, radial non-coincidence of the EEPFs in total electron energy scale was observed. The electrons were cooled at the discharge center where the electron heating is absent, while the electron temperature was rarely changed at the discharge boundary with the magnetic field. These changes show the transition from nonlocal to local electron kinetics and the transition is occurred when the electron gyration diameter was smaller than the skin depth. The nonlocal to local transition point almost coincided with the calculation results by using nonlocal parameter and collision parameter.
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