Abstract
A microdetermination method of silicon dioxide on the silicon surface is studied. In this method, a thin SiO2 layer is dissolved in an aqueous solution of hydrofluoric acid and then the resulting solution is analyzed with sensors based on perfluorinated proton-conducting membranes. Quantitative determination of silicon dioxide remaining on the silicon surface in a quantity as low as 1 × 10−6 mol is demonstrated to be feasible.
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Original Russian Text © S.E. Nikitin, E.I. Terukov, S.V. Timofeev, N.K. Manabaev, 2012, published in Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 82, No. 6, pp. 132–134.
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Nikitin, S.E., Terukov, E.I., Timofeev, S.V. et al. Microdetermination of silicon dioxide on the surface by sensors based on perfluorinated proton-conducting membranes. Tech. Phys. 57, 865–867 (2012). https://doi.org/10.1134/S1063784212060199
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DOI: https://doi.org/10.1134/S1063784212060199