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An electron-impact ionization study of molecular selenium beams

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Abstract

We describe the method and presents results of a mass-spectrometric investigation of the yield of positive ions formed as a result of the dissociative ionization of a molecular selenium beam by electron impact. Appearance energies of fragment ions have been determined from the ionization efficiency curves. The dynamics of formation of the molecular ions of selenium in a temperature interval of 420–495 K has been studied. The energy dependences of the efficiency of formation of singly charged Se n + (n = 1–3) and doubly charged Se++ ions are analyzed.

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Correspondence to A. N. Zavilopulo.

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Original Russian Text © A.N. Zavilopulo, O.B. Shpenik, M.I. Mykyta, A.M. Mylymko, 2016, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2016, Vol. 42, No. 8, pp. 78–85.

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Zavilopulo, A.N., Shpenik, O.B., Mykyta, M.I. et al. An electron-impact ionization study of molecular selenium beams. Tech. Phys. Lett. 42, 427–430 (2016). https://doi.org/10.1134/S1063785016040301

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  • DOI: https://doi.org/10.1134/S1063785016040301

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