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N2(A3Su+) behavior in N2 ¬NO surface dielectric barrier discharge under modulated AC regime at atmospheric pressure (Articolo in rivista)

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N2(A3Su+) behavior in N2 ¬NO surface dielectric barrier discharge under modulated AC regime at atmospheric pressure (Articolo in rivista) (literal)

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Alternative label

M Simek (1), P F Ambrico (2), S De Benedictis (2), G Dilecce (2), V Prukner (1) and J Schmidt (1) (2010)
N2(A3Su+) behavior in N2 ¬NO surface dielectric barrier discharge under modulated AC regime at atmospheric pressure
in Journal of physics. D, Applied physics (Online); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

M Simek (1), P F Ambrico (2), S De Benedictis (2), G Dilecce (2), V Prukner (1) and J Schmidt (1) (literal)

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1 Department of Pulse Plasma Systems, Institute of Plasma Physics v.v.i., Academy of Sciences of the Czech Republic, Za Slovankou 3, 182 00 Prague, Czech Republic 2 Istituto di Metodologie Inorganiche e dei Plasmi-CNR, sede di Bari, via Orabona, 4, 70126 Bari, Italy (literal)

Titolo

N2(A3Su+) behavior in N2 ¬NO surface dielectric barrier discharge under modulated AC regime at atmospheric pressure (literal)

Abstract

Optical, electrical and discharge product measurements were performed in order to reveal the behaviour of N2(A 3?+ u ) metastables in a surface dielectric barrier discharge (DBD) driven in N2 with small NO admixtures in a modulated ac regime. Metastable species were detected both in a thin surface plasma layer and in the space afterglow through plasma induced emission and optical-optical double resonance laser induced fluorescence, respectively. Basically, the observed N2(A 3?+u ) species follow the discharge current oscillations in the plasma layer, while they evolve on a millisecond time scale due to diffusion through the space afterglow. Emission spectrometry provides a rough estimation of average metastable concentration in a thin surface plasma layer ~ 9 × 1013 cm-3. Fluorescence measurements then allow an upper estimation of metastable concentration in the space afterglow ? 1 × 1012 cm-3. (literal)

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