| MORÁVEK, Tomáš, Jan ČECH, Zdeněk NAVRÁTIL a Jozef RÁHEĽ. Pre-breakdown phase of coplanar dielectric barrier discharge in helium. The European Physical Journal Applied Physics. 2016, roč. 75, č. 2, s. "nestrankovano", 5 s. ISSN 1286-0042. Dostupné z: https://dx.doi.org/10.1051/epjap/2016150538. |
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@article{1342461,
author = {Morávek, Tomáš and Čech, Jan and Navrátil, Zdeněk and Ráheľ, Jozef},
article_number = {2},
doi = {http://dx.doi.org/10.1051/epjap/2016150538},
keywords = {coplanar DBD; discharge formation; helium},
language = {eng},
issn = {1286-0042},
journal = {The European Physical Journal Applied Physics},
title = {Pre-breakdown phase of coplanar dielectric barrier discharge in helium},
volume = {75},
year = {2016}
}
TY - JOUR
ID - 1342461
AU - Morávek, Tomáš - Čech, Jan - Navrátil, Zdeněk - Ráheľ, Jozef
PY - 2016
TI - Pre-breakdown phase of coplanar dielectric barrier discharge in helium
JF - The European Physical Journal Applied Physics
VL - 75
IS - 2
SP - "nestrankovano"
EP - "nestrankovano"
SN - 12860042
KW - coplanar DBD
KW - discharge formation
KW - helium
N2 - Coplanar barrier discharge in single-pair electrode configuration was used to study the formation of helium diffuse mode discharge. Transition from Townsend avalanching to the cathode and anode directed ionization waves was documented by high-speed camera imaging. When alumina dielectric barrier was coated by a thin layer of high permittivity coating (epsilon_r = 120–140), a new partial discharge preceding the Townsend avalanching phase was clearly visible. We suggest that this new pre-Townsend breakdown event is analogous to the known backward discharge of surface barrier discharge. Low magnitude of local electric field strength during the pre-Townsend breakdown reduces the number of competing electron collision excitation processes. This opens a new opportunity for studying optical emission from surface charge recombination processes.
ER -
MORÁVEK, Tomáš, Jan ČECH, Zdeněk NAVRÁTIL a Jozef RÁHEĽ. Pre-breakdown phase of coplanar dielectric barrier discharge in helium. \textit{The European Physical Journal Applied Physics}. 2016, roč.~75, č.~2, s.~''nestrankovano'', 5 s. ISSN~1286-0042. Dostupné z: https://dx.doi.org/10.1051/epjap/2016150538.
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