Abstract

The phase and grain structures and the dielectric properties of solid solutions (SS) of bismuth ferrite modified with small-sized rare-earth elements (SRE) are studied. The regularities of the appearance of impurities of various compositions depending on the ion radius and SRE concentration in objects are revealed. Based on the analysis of the dielectric spectra of the SSs, the development of Maxwell-Wagner relaxation associated with the accumulation of fSRE charges at the interfaces between the components was established in them. The conclusion is made about the possibility of using the results obtained when creating a new generation of multifunctional materials.

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