Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity

Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity

Phase morphology and corresponding piezoelectricity in ferroelectric solid solutions were studied by using a phenomenological theory with the consideration of phase coexistence. Results have shown that phases with similar energy potentials can coexist, thus induce interfacial stresses which lead to...

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Main Authors: Xiaoyan Lu, Hangbo Zhang, Limei Zheng, Wenwu Cao
Format: Article
Language:English
Published: AIP Publishing LLC 2016-10-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4966142
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spelling doaj-18954b92a9a34e64a7c7de4dfce661d12020-11-24T23:45:04ZengAIP Publishing LLCAIP Advances2158-32262016-10-01610105208105208-810.1063/1.4966142037610ADVPhase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricityXiaoyan Lu0Hangbo Zhang1Limei Zheng2Wenwu Cao3School of Civil Engineering, Harbin Institute of Technology, Harbin 150001, ChinaSchool of Civil Engineering, Harbin Institute of Technology, Harbin 150001, ChinaCondensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin 150080, ChinaCondensed Matter Science and Technology Institute, Harbin Institute of Technology, Harbin 150080, ChinaPhase morphology and corresponding piezoelectricity in ferroelectric solid solutions were studied by using a phenomenological theory with the consideration of phase coexistence. Results have shown that phases with similar energy potentials can coexist, thus induce interfacial stresses which lead to the formation of adaptive monoclinic phases. A new tetragonal-like monoclinic to rhombohedral-like monoclinic phase transition was predicted in a shear stress state. Enhanced piezoelectricity can be achieved by manipulating the stress state close to a critical stress field. Phase coexistence is universal in ferroelectric solid solutions and may provide a way to optimize ultra-fine structures and proper stress states to achieve ultrahigh piezoelectricity.http://dx.doi.org/10.1063/1.4966142
collection DOAJ
language English
format Article
sources DOAJ
author Xiaoyan Lu
Hangbo Zhang
Limei Zheng
Wenwu Cao
spellingShingle Xiaoyan Lu
Hangbo Zhang
Limei Zheng
Wenwu Cao
Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
AIP Advances
author_facet Xiaoyan Lu
Hangbo Zhang
Limei Zheng
Wenwu Cao
author_sort Xiaoyan Lu
title Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
title_short Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
title_full Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
title_fullStr Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
title_full_unstemmed Phase coexistence in ferroelectric solid solutions: Formation of monoclinic phase with enhanced piezoelectricity
title_sort phase coexistence in ferroelectric solid solutions: formation of monoclinic phase with enhanced piezoelectricity
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2016-10-01
description Phase morphology and corresponding piezoelectricity in ferroelectric solid solutions were studied by using a phenomenological theory with the consideration of phase coexistence. Results have shown that phases with similar energy potentials can coexist, thus induce interfacial stresses which lead to the formation of adaptive monoclinic phases. A new tetragonal-like monoclinic to rhombohedral-like monoclinic phase transition was predicted in a shear stress state. Enhanced piezoelectricity can be achieved by manipulating the stress state close to a critical stress field. Phase coexistence is universal in ferroelectric solid solutions and may provide a way to optimize ultra-fine structures and proper stress states to achieve ultrahigh piezoelectricity.
url http://dx.doi.org/10.1063/1.4966142
work_keys_str_mv AT xiaoyanlu phasecoexistenceinferroelectricsolidsolutionsformationofmonoclinicphasewithenhancedpiezoelectricity
AT hangbozhang phasecoexistenceinferroelectricsolidsolutionsformationofmonoclinicphasewithenhancedpiezoelectricity
AT limeizheng phasecoexistenceinferroelectricsolidsolutionsformationofmonoclinicphasewithenhancedpiezoelectricity
AT wenwucao phasecoexistenceinferroelectricsolidsolutionsformationofmonoclinicphasewithenhancedpiezoelectricity
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