Abstract
The paper presents the results of studies of the fundamental problem of the materials science of ferroelectrics. Based on the literature review the relevant aspects of the problem – determining the laws governing the formation of the physical properties of ferroelectric materials and the possibility of controlling these properties using external influences have been identified. The object of the study is barium and strontium titanates synthesized in a stream of high-density concentrated solar radiation. Barium titanate was melted in a solar furnace at densities of the concentrated solar radiation corresponding to the melting points of the components and the reaction product, based on the calculation of the radiation of heated bodies. It is shown that when melting in a solar furnace under the influence of concentrated solar radiation of high density, it is possible to obtain a microstructure with a small grain size due to the fact that the oxide particles envelop the titanate grains and inhibit their growth during the process. Fine dispersion accelerates the recovery process and contributes to the formation of a denser microstructure with improved dielectric properties.
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