Abstract
The field emission (FE) of surfaces of highly oriented pyrolytic graphite (HOPG) UPV-1T and glassy carbon SU-2000 after irradiation with 30-keV Ar+ ions at different temperatures and incidence angles has been investigated. It has been found that irradiation of the (001) basal plane of UPV-1T at temperatures of T = 250 and 400°C results in the emergence of low-voltage FE with threshold values of the electric-field strength from 3 to 17 V/μm depending on the temperature and irradiation geometry. The lowest field-emission threshold is observed following irradiation at T ≈ 250°C and normal ion incidence. It is shown that ion irradiation of glassy carbon can also result in the low-voltage FE of its surface.
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Original Russian Text © N.N. Andrianova, A.M. Borisov, V.V. Borisov, Yu.S. Virgiliev, E.S. Mashkova, V.S. Sevostyanova, M.A. Timofeev, 2013, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2013, No. 4, pp. 5–8.
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Andrianova, N.N., Borisov, A.M., Borisov, V.V. et al. Effect of ion bombardment on the field emission of graphite materials. J. Surf. Investig. 7, 299–302 (2013). https://doi.org/10.1134/S1027451013020286
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DOI: https://doi.org/10.1134/S1027451013020286