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2013 year, number 6

Photodesorption of Molecular Nitrogen from the Glass Surface

S. N. Atutov1,2, N. A. Danilina1, S. L. Mikerin1,2, A. I. Plekhanov1,2
1Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, pr. Akademika Koptyuga 1, Novosibirsk, 630090 Russia
2Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090 Russia
Keywords: photodesorption, molecular nitrogen, gas sensors, pulsed sources of atoms or molecules


Results of experiments on photodesorption of molecular nitrogen from the glass surface are presented. The study is performed in vacuum glass cells whose internal surface is illuminated by a powerful pulsed lamp. The dynamics of the nitrogen density in the cell due to photodesorption is studied with the use of a mass spectrometer and a vacuum ionization lamp. A qualitative comparison of experimental data with results predicted by a developed theoretical model is performed.