FALTÝNEK, Jan, Vít KUDRLE, Miroslav ŠNÍRER, Jozef TOMAN and Ondřej JAŠEK. Electron concentration in the non-luminous part of the atmospheric pressure filamentary discharge. Plasma Sources Science and Technology. Bristol: IOP Pub., 2021, vol. 30, No 1, p. 1-16. ISSN 0963-0252. Available from: https://dx.doi.org/10.1088/1361-6595/abcb6b. |
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@article{59891, author = {Faltýnek, Jan and Kudrle, Vít and Šnírer, Miroslav and Toman, Jozef and Jašek, Ondřej}, article_location = {Bristol}, article_number = {1}, doi = {http://dx.doi.org/10.1088/1361-6595/abcb6b}, keywords = {numerical model; atmospheric pressure; filamentary plasma; plasma density; Stark broadening; microwave interferometry; graphene synthesis}, language = {eng}, issn = {0963-0252}, journal = {Plasma Sources Science and Technology}, title = {Electron concentration in the non-luminous part of the atmospheric pressure filamentary discharge}, url = {https://iopscience.iop.org/article/10.1088/1361-6595/abcb6b}, volume = {30}, year = {2021} }
TY - JOUR ID - 59891 AU - Faltýnek, Jan - Kudrle, Vít - Šnírer, Miroslav - Toman, Jozef - Jašek, Ondřej PY - 2021 TI - Electron concentration in the non-luminous part of the atmospheric pressure filamentary discharge JF - Plasma Sources Science and Technology VL - 30 IS - 1 SP - 1-16 EP - 1-16 PB - IOP Pub. SN - 0963-0252 KW - numerical model KW - atmospheric pressure KW - filamentary plasma KW - plasma density KW - Stark broadening KW - microwave interferometry KW - graphene synthesis UR - https://iopscience.iop.org/article/10.1088/1361-6595/abcb6b N2 - The non-luminous surroundings of atmospheric pressure plasma jets contain still substantial electron density which can be of practical importance, when e.g. reactant or precursor is introduced into this zone. Low signal-to-noise ratio makes the Stark broadening technique unsuitable there, and so we employed the microwave interferometry to determine the electron density during the plasma synthesis of graphene. The relatively long wavelength, tight geometry and the presence of overcritical plasma filament necessitated the use of a numerical solution of the Maxwell equations. Besides laying the groundwork of the method, the paper also discusses the importance of plasma density profile in the active filament and its surroundings. The results show that in radial distance ten times higher than a visually apparent plasma diameter, the plasma density was still around 1016-1017 m-3. ER -
FALTÝNEK, Jan, Vít KUDRLE, Miroslav ŠNÍRER, Jozef TOMAN and Ondřej JAŠEK. Electron concentration in the non-luminous part of the atmospheric pressure filamentary discharge. \textit{Plasma Sources Science and Technology}. Bristol: IOP Pub., 2021, vol.~30, No~1, p.~1-16. ISSN~0963-0252. Available from: https://dx.doi.org/10.1088/1361-6595/abcb6b.
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