期刊
CERAMICS INTERNATIONAL
卷 45, 期 14, 页码 17236-17242出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2019.05.279
关键词
Ferroelectrics; Barium titanate; Microparticles; Peroxide-like structures
资金
- MES RK state-targeted program Creation of radiation-resistant nanostructured materials for modern materials science, alternative energy, nano and microelectronics [BR05235921]
The paper presents the results of a study of structural, optical and conductive properties of ferroelectric microparticles based on ATiO(x) (A = Ba, Ca, Sr) obtained by solid-phase synthesis. According to the data obtained, as a result of the synthesis microparticles of dendroid form were obtained. During the study, the dependences of the change in the phase composition and crystallographic characteristics on the choice of component A in the structure of a ferroelectric are established. Studies of conductive and optical characteristics of investigated microparticles were conducted. During tests of conductive characteristics of microparticles, the nonlinearity of the current - voltage characteristics was established due to the presence of impurity inclusions in the structure and a high concentration of vacancy and dislocation defects, which have a significant effect on the ballistic nature of charge transfer.
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