M. A. Sysoev, A. A. Bush, K. E. Kamentsev, V. P. Sirotinkin, A. A. Nogai, A. S. Nogai
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引用次数: 0
摘要
AbstractCeramic samples with composition along the (1 - 2x)BiScO3-(2 - y)xPbTiO3∙yxPbMg1/3Nb2/3O3 (y = 1.2, 1.0, 0.9, 0.5) sections in BiScO3-PbTiO3-PbMg1/3Nb2/3O3 (BS-PT-PMN) system.通过 X 射线衍射以及介电、压电和热刺激去极化电流测量，对 BiScO3-PbTiO3-PbMg1/3Nb2/3O3 （BS-PT-PMN）体系中的 1 - x ﹡yxPbTiO3-PbMg1/3Nb2/3O3 （y = 1.2、1.0、0.9、0.5）部分进行了表征。结果表明，1 - x ≲ 0.5 的材料由包晶石固溶体组成。随着 BS 含量的增加，固溶体的对称性从四方型上升到立方型。在中间成分区（各向异性区（MR）），样品由对称性不同的固溶体混合物组成。我们找到了 MR 边界，并研究了成分对固溶体介电性能和压电性能的影响。
Preparation, Structure, and Electrophysical Properties of Ceramic Samples of (1 – 2x)BiScO3∙(2 – y)xPbTiO3∙yxPbMg1/3Nb2/3O3 Perovskite Solid Solutions
Ceramic samples with compositions along the (1 – 2x)BiScO3·(2 – y)xPbTiO3∙yxPbMg1/3Nb2/3O3 (y = 1.2, 1.0, 0.9, 0.5) sections in the BiScO3–PbTiO3–PbMg1/3Nb2/3O3 (BS–PT–PMN) system have been characterized by X-ray diffraction and dielectric, piezoelectric, and thermally stimulated depolarization current measurements. The materials with 1 – x ≲ 0.5 have been shown to consist of perovskite solid solutions. With increasing BS content, the symmetry of the solid solutions rises from tetragonal to cubic. In the intermediate composition region (morphotropic region (MR)), the samples consist of a mixture of solid solutions differing in symmetry. We have located the MR boundaries and examined the effect of composition on the dielectric and piezoelectric properties of the solid solutions.
期刊介绍：
Inorganic Materials is a journal that publishes reviews and original articles devoted to chemistry, physics, and applications of various inorganic materials including high-purity substances and materials. The journal discusses phase equilibria, including P–T–X diagrams, and the fundamentals of inorganic materials science, which determines preparatory conditions for compounds of various compositions with specified deviations from stoichiometry. Inorganic Materials is a multidisciplinary journal covering all classes of inorganic materials. The journal welcomes manuscripts from all countries in the English or Russian language.
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