Abstract
A new variant of depth profiling for thin-film fullerene-containing organic structures by the method of time-of-flight (TOF) secondary ion mass spectrometry (SIMS) on a TOF.SIMS-5 setup is described. The dependence of the yield of C60 molecular ions on the energy of sputtering ions has been revealed and studied. At an energy of sputtering Cs+ ions below 1 keV, the intensity of C60 molecular ions is sufficiently high to make possible both elemental and molecular depth profiling of multicomponent (multilayer) thin-film structures. Promising applications of TOF-SIMS depth profiling for obtaining more detailed information on the real molecular composition of functional organic materials are shown.
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Original Russian Text © M.N. Drozdov, Yu.N. Drozdov, G.L. Pakhomov, V.V. Travkin, P.A. Yunin, V.F. Razumov, 2013, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2013, Vol. 39, No. 24, pp. 45–54.
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Drozdov, M.N., Drozdov, Y.N., Pakhomov, G.L. et al. Depth profiling of fullerene-containing structures by time-of-flight secondary ion mass spectrometry. Tech. Phys. Lett. 39, 1097–1100 (2013). https://doi.org/10.1134/S1063785013120183
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DOI: https://doi.org/10.1134/S1063785013120183