Abstract
Positron annihilation spectroscopy (PAS) is shown to be one of the effective modern methods to determine sizes of nano-objects (vacancies and vacancy clusters), free volumes of pores, cavities, voids, and their concentrations and chemical compositions in nanomaterials and porous systems. A brief review is given of experimental studies on nanodefects in proton irradiated porous silicon, silicon, and quartz single crystals.
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Original Russian Text © V.I. Grafutin, E.P. Prokop’ev, S.P. Timoshenkov, Yu.V. Funtikov, 2009, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, No. 12, pp. 24–32.
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Grafutin, V.I., Prokop’ev, E.P., Timoshenkov, S.P. et al. Determination of radii of nanoobjects in porous systems and some defective materials by positron annihilation spectroscopy. J. Surf. Investig. 3, 917–925 (2009). https://doi.org/10.1134/S1027451009060123
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DOI: https://doi.org/10.1134/S1027451009060123