Structural phase transitions in perovskite compounds based on diatomic or multiatomic bridges

The structural phase transitions in perovskite compounds were revived in the past decade by the emergence of a large number of perovskite compounds based on diatomic or multiatomic bridges, e.g. CN − , N 3 − , HCOO − , SCN − , and N(CN) 2 − , with various interesting properties for possible applicat...

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Published inCrystEngComm Vol. 18; no. 41; pp. 7915 - 7928
Main Authors Xu, Wei-Jian, Du, Zi-Yi, Zhang, Wei-Xiong, Chen, Xiao-Ming
Format Journal Article
LanguageEnglish
Published 01.01.2016
Subjects
Behavior
Bridges (structures)
Ligands
Oxides
Perovskites
Phase transformations
Physical properties
Switches
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Summary:The structural phase transitions in perovskite compounds were revived in the past decade by the emergence of a large number of perovskite compounds based on diatomic or multiatomic bridges, e.g. CN − , N 3 − , HCOO − , SCN − , and N(CN) 2 − , with various interesting properties for possible applications such as in dielectric switches, ferroelectrics, and multiferroics. Compared with the well-studied perovskite oxides and halides, these new perovskite compounds with larger bridges give rise to an increase in the complexity of structural variations as well as an opportunity to tailor the physical properties by taking advantage of the designable and tunable characteristics of the metal species, bridging ligands, and guest cation components. Here, we highlight the recent advances on the thermally-induced structural phase transitions of the perovskite compounds based on the diatomic or multiatomic bridges, focusing on the important role of the components in the phase transition behaviours as well as the intrinsic switching behaviours of physical properties. This Highlight surveys the recent advances on the thermally-induced structural phase transitions as well as the relevant switching behaviours of physical properties in the perovskite compounds based on diatomic or multiatomic bridges, e.g. , CN − , N 3 − , HCOO − , SCN − , and N(CN) 2 − .
Bibliography:Wei-Jian Xu is currently a PhD student in the School of Chemistry and Chemical Engineering at Sun Yat-Sen University, under the supervision of Prof. Xiao-Ming Chen. His research interests include the synthesis and crystal engineering of molecule-based ferroelectric materials and phase transition materials.
Xiao-Ming Chen obtained his BSc in 1983 and M.S. in 1986 from Sun Yat-Sen University (SYSU), and his Ph.D. from Chinese University of Hong Kong in 1992. He then joined SYSU and became a professor in 1995. He was elected to CAS in 2009 and TWAS in 2013. His current research interest is in synthesis and crystal engineering of functional metal complexes and coordination polymers.
Wei-Xiong Zhang obtained BSc in 2004 and PhD in 2009 from Sun Yat-Sen University (SYSU). He was a JSPS postdoctoral fellow in Tohoku University, Japan. He joined SYSU and became an associate professor in 2012. His current research interest is in functional coordination compounds based on structural phase transitions.
Zi-Yi Du is presently a professor at College of Chemistry and Chemical Engineering, Gannan Normal University. His current research interest is focused on the solid-solid structural phase transition in the molecular-based system, and the related mechanism as well as functionalities.
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ISSN:1466-8033
1466-8033
DOI:10.1039/c6ce01485b