钽酸铋锶薄膜 SryBi2 + xTa2O9 中 Sr : Bi : Ta 的摩尔比对结构和电物理特性的影响

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-05-23 DOI:10.1134/S1062873824706457

D. A. Kiselev, E. A. Kurteva, A. V. Semchenko, A. A. Boiko, L. V. Sudnik, G. V. Chucheva

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引用次数: 0

摘要

通过溶胶-凝胶法获得了不同 Sr : Bi : Ta 摩尔比的钽酸铋锶 SryBi2 + xTa2O9 多晶薄膜。确定了具有包晶结构的相的形成。介电光谱法证实了相变。在偏振切换光谱模式下，获得了残余压电滞后环，证实了合成的 SryBi2 + xTa2O9 薄膜具有铁电性质。

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Influence of the Molar Ratio Sr : Bi : Ta in Strontium Bismuth Tantalate Films SryBi2 + xTa2O9 on Structure and Electrophysical Properties

Polycrystalline thin films ofstrontium bismuth tantalate Sr_yBi_{2 +} _xTa₂O₉ with different Sr : Bi : Ta molar ratios are obtained by a sol–gel method. The formation of a phase with a perovskite structure is established. Phase transitions are confirmed by dielectric spectroscopy. In the mode of polarization switching spectroscopy, remnant piezoelectric hysteresis loops are obtained which confirm the ferroelectric nature of the synthesized Sr_yBi_{2 +} _xTa₂O₉ films.

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.