FENG Jian-yu, DONG Li-fang, WEI Ling-yan etc. Spectral Characteristics of Different Kinds of Hexagon Pattern in Evolutionary Process[J]. Chinese Journal of Luminescence, 2016,37(9): 1076-1081
FENG Jian-yu, DONG Li-fang, WEI Ling-yan etc. Spectral Characteristics of Different Kinds of Hexagon Pattern in Evolutionary Process[J]. Chinese Journal of Luminescence, 2016,37(9): 1076-1081 DOI: 10.3788/fgxb20163709.1076.
Spectral Characteristics of Different Kinds of Hexagon Pattern in Evolutionary Process
The spectral characteristics of different kinds of hexagon pattern with the same symmetry in evolutionary process were studied in dielectric barrier discharge by optical emission spectrum. It is found that the discharge undergoes hexagon superlattice pattern
hollow hexagon pattern and honeycomb pattern with the increasing of the applied voltage. The electronic density
electron excitation temperature and molecular vibration temperature of the three kinds of patterns were investigated by the broadening of spectral line 696.5 nm
the relative intensity ratio method of spectral lines of Ar Ⅰ 763.2 nm (2P
6
1S
5
) and Ar Ⅰ 772.1 nm (2P
2
1S
3
) and the emission spectra of nitrogen band of second positive system (C
3
u
B
3
g
)
respectively. The results show that the electronic density of the hexagon superlattice pattern
hollow hexagon pattern and honeycomb pattern gradually decreases
while the electron excitation temperature and molecular vibration temperature of the three kinds of patterns gradually increase with the applied voltage increasing. It is found that the change of the plasma state has effect on the self-organization of the pattern.
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references
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