Influence of gallium substitutions on structure, dielectric and piezoelectric properties of BiScO3 – PbTiO3 ceramicsстатья
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Дата последнего поиска статьи во внешних источниках: 24 января 2020 г.
Аннотация:Ceramics with compositions close to the morphotropic boundary in the (1−x)Bi(Sc1−yGay)O3–xPbTiO3 system were prepared by the conventional solid-state reaction method. The influence of substituting Ga3+ cations for Sc3+ cations on the structural parameters and the dielectric and piezoelectric properties was studied. It was proved that variations in the relative content of the tetragonal and rhombohedral phases depended on the tolerance-factor t value determined by the B-cation substitutions. The highest values of the piezoelectric coefficient d33 were observed in the compositions with the largest proportion of the tetragonal phase.