Dielectric Properties of Mixed Composites
Prepared from Nanodisperse Silica and Triglycine Sulfate

S. D. Milovidova, O. V. Rogazinskaya, A. S. Sidorkin*, E. V. Vorotnikov,
Kh. T. Nguen, and A. P. Lazarev

Voronezh State University, Universitetskaya pl. 1, Voronezh, 394006 Russia

* e-mail: sidorkin@phys.vsu.ru

Abstract—The dielectric properties of mixed composites prepared from the nanodisperse silica and ferroelec-
trics triglycine sulfate have been studied. The performed investigations have demonstrated that, for the compos-
ites containing silica in the hydrosol state, the temperature shift of the maximum dielectric permeability is more
significant in the case of composites with smaller silica nanoparticles. There is another maximum at lower tem-
peratures in the temperature dependence of the dielectric permeability of the composite containing silica in the
gel state, in addition to the maximum detected in the sol-based composite, which is attributed to ordering of the
silica particles in the gels in cross-linked structures.

DOI: 10.1134/S1063783415030154

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