Layered Double Perovskites

IF 10.6 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Annual Review of Materials Research Pub Date : 2021-05-05 DOI:10.1146/ANNUREV-MATSCI-092320-102133
H. Evans, Lingling Mao, R. Seshadri, A. Cheetham
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引用次数: 19

Abstract

Successful strategies for the design of crystalline materials with useful function are frequently based on the systematic tuning of chemical composition within a given structural family. Perovskites with the formula ABX3, perhaps the best-known example of such a family, have a vast range of elements on A, B, and X sites, which are associated with a similarly vast range of functionality. Layered double perovskites (LDPs), a subset of this family, are obtained by suitable slicing and restacking of the perovskite structure, with the additional design feature of ordered cations and/or anions. In addition to inorganic LDPs, we also discuss hybrid (organic-inorganic) LDPs here, where the A-site cation is a protonated organic amine. Several examples of inorganic LDPs are presented with a discussion of their ferroic, magnetic, and optical properties. The emerging area of hybrid LDPs is particularly rich and is leading to exciting discoveries of new compounds with unique structures and fascinating optoelectronic properties. We provide context for what is important to consider when designing new materials and conclude with a discussion of future opportunities in the broad LDP area.
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层状双钙钛矿
设计具有实用功能的晶体材料的成功策略通常基于对给定结构族内化学成分的系统调整。公式为ABX3的钙钛矿可能是这类元素族中最著名的一个例子,它在a、B和X位点上有大量的元素,这些元素与同样广泛的功能相关联。层状双钙钛矿(LDPs)是钙钛矿家族的一个子集,是通过钙钛矿结构的适当切片和重新堆叠而获得的,具有有序阳离子和/或阴离子的额外设计特征。除了无机LDPs,我们还讨论了杂化(有机-无机)LDPs,其中a位阳离子是质子化的有机胺。介绍了无机LDPs的几个例子,并讨论了它们的铁性、磁性和光学性质。杂化LDPs的新兴领域尤其丰富,并且正在导致具有独特结构和迷人光电性能的新化合物的令人兴奋的发现。我们为设计新材料时需要考虑的重要因素提供了背景,并以讨论广泛的LDP领域的未来机会作为结论。
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来源期刊
Annual Review of Materials Research
Annual Review of Materials Research 工程技术-材料科学:综合
CiteScore
17.70
自引率
1.00%
发文量
21
期刊介绍: The Annual Review of Materials Research, published since 1971, is a journal that covers significant developments in the field of materials research. It includes original methodologies, materials phenomena, material systems, and special keynote topics. The current volume of the journal has been converted from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license. The journal defines its scope as encompassing significant developments in materials science, including methodologies for studying materials and materials phenomena. It is indexed and abstracted in various databases, such as Scopus, Science Citation Index Expanded, Civil Engineering Abstracts, INSPEC, and Academic Search, among others.
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