Abstract
Barium titanate was synthesized by the method of exothermal combustion in solutions using barium nitrate, titanium dioxide (TiO2) and titanyl nitrate (TiO(NO3)2) as sources of titanium and barium and reducing agents such as glycine (C2H5NO2), carbamide (СН4N2O) and glycerol (C3H5(OH)3). In an effort to form a barium titanate phase, the materials synthesized using titanium dioxide were subjected to additional calcination at 800°С. With titanyl nitrate the use of glycine and carbamide enabled carrying out a single-step synthesis of barium titanate. The obtained materials have pseudo-cubic lattice and are characterized by high stability of properties in a wide range of temperatures and frequencies of the electromagnetic field.
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