A critical review on crystal structure mechanisms, microstructural and electrical performances of Bi0.5Na0.5TiO3—SrTiO3 perovskites

IF 1.7 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Electroceramics Pub Date : 2022-09-28 DOI:10.1007/s10832-022-00295-6

Subramani Supriya

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引用次数: 10

Abstract

The global demand for Bi_0.5Na_0.5TiO₃ (BNT) based perovskite materials with wide-ranging applications in the sensors, detectors, capacitors, random access memories, and environmental fields is on the increase. The Sr²⁺ doped BNT system has been extensively investigated in the past decade due to its excellent structural, electrical and microstructural applications. This review encompasses the fundamental state-of-the-art development of BNT-based ceramics, focusing on the underlying SrTiO₃ (ST) composition and enhanced crystal structure mechanisms. The diffuse phase transition related to the ferroelectric nature of the sample is specifically demonstrated. BNT-ST in various forms like single crystals, thin films, multi-layers, and polycrystals for enhanced piezoelectric and ferroelectric activities were discussed in detail. Finally, these systems' key challenges and future directions are also included. Indeed, this review will propagate more exhaustive research on non-toxic and cost-effective pathways to produce BNT-based components with dynamic properties, which can be applied in several industrial applications with outstanding performance.

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Bi0.5Na0.5TiO3-SrTiO3钙钛矿晶体结构机理、显微结构及电学性能综述

全球对基于Bi0.5Na0.5TiO3 (BNT)的钙钛矿材料的需求正在增加，这些材料在传感器、探测器、电容器、随机存取存储器和环境领域具有广泛的应用。Sr2+掺杂BNT体系由于其优异的结构、电学和微结构应用，在过去的十年中得到了广泛的研究。本文综述了bnt基陶瓷的基本发展现状，重点介绍了SrTiO3 (ST)的基本成分和增强的晶体结构机制。具体证明了与样品铁电性质有关的扩散相变。详细讨论了各种形式的BNT-ST，如单晶、薄膜、多层和多晶，以增强压电和铁电活性。最后，还介绍了这些系统面临的主要挑战和未来发展方向。事实上，这篇综述将传播更详尽的研究，以无毒和成本效益的途径来生产具有动态性能的基于bnt的组件，这些组件可以应用于几个具有优异性能的工业应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Electroceramics 工程技术-材料科学：硅酸盐

CiteScore

2.80

自引率

5.90%

发文量

审稿时长

5.7 months

期刊介绍： While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including: -insulating to metallic and fast ion conductivity -piezo-, ferro-, and pyro-electricity -electro- and nonlinear optical properties -feromagnetism. When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice. The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.