%0 Journal Article %T Synthesis of nanocomposite materials by reduction of Group I metals of the periodic table Au, Ag in the voids of the opal matrix %A Kamashev, D.V. %A Kryazhev, A.A. %K nanocomposite materials, opal matrices, Ag and Au nanoparticles, monodisperse spherical silica particles %J Vestnik of geosciences %D 2022 %N 0 %P 10 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"