Abstract
The effect of modification with aluminum oxide nanopowders on reflectivity in the range of 0.25–2.5 μm and the radiation stability of white ZnO, TiO2, and ZrO2 pigments and coatings based on them was studied. It has been shown that the effectiveness of the modification to increase the radiation stability after irradiation with electrons (Е = 30 keV, F = (1–9) ∙ 1016 cm−2) depends on the type of pigment. The effectiveness does not exceed 26% for coatings based on ZnO and TiO2 pigments, while for the coating ZrO2 pigment it is 50%. The types of defects, the mechanisms of radiation defect formation in the initial and modified pigments and their influence on the reflection spectra have been considered.
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