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Deterministic contribution of low symmetry phases to piezoresponse in oxide ferroelectrics
Zou, M. J.1; Tang, Y. L.1; Zhu, Y. L.1; Wang, Y. J.1; Yang, L. X.1; Ma, X. L.1,2
Corresponding AuthorZhu, Y. L.(ylzhu@imr.ac.cn) ; Ma, X. L.(xlma@imr.ac.cn)
2021-02-15
Source PublicationACTA MATERIALIA
ISSN1359-6454
Volume205Pages:8
AbstractGiant piezoelectricity has been thought to be originated from polarization rotation, electric-field-induced phase transformation or nano-domain reorientation in diverse complicated morphotropic phase boundaries (MPB) based piezoelectric ceramics. However, the deterministic contribution to the peak piezoelectricity is still elusive. Here, a full stage of piezoelectric response is presented in pure PbTiO3 films epitaxially constrained as the monoclinic phase on SrTiO3(111), where the as-prepared films feature complicated monoclinic nano-domains with {201} domain boundaries. By applying external voltage, the piezoelectric response undergoes three distinct stages which correspond, respectively, to the three existing mechanisms in terms of polarization rotation, nano-domain reorientation, and electric-field-induced phase transformation. A direct correlation between the electric-poling process and the piezoelectric response is established, confirming that the phase transformation from the monoclinic to tetragonal plays a dominant role for the superior piezoelectric properties of the oxide. This study clarifies the role of monoclinic phase by integrating the three individual mechanisms of piezoresponse into a single-phase perovskite oxide, which may facilitate the development of high-performance piezoelectric materials for electronic device applications. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordFerroelectrics piezoelectricity morphotropic phase boundary monoclinic phase
Funding OrganizationKey Research Program of Frontier Sciences CAS ; National Natural Science Foundation of China ; Shenyang National Laboratory for Materials Science ; Youth Innovation Promotion Association CAS
DOI10.1016/j.actamat.2020.116534
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences CAS[QYZDJ-SSW-JSC010] ; National Natural Science Foundation of China[51971223] ; National Natural Science Foundation of China[51671194] ; National Natural Science Foundation of China[51922100] ; Shenyang National Laboratory for Materials Science[L2019R06] ; Shenyang National Laboratory for Materials Science[L2019R08] ; Shenyang National Laboratory for Materials Science[L2019F01] ; Shenyang National Laboratory for Materials Science[L2019F13] ; Youth Innovation Promotion Association CAS[2016177]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000609936600013
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159148
Collection中国科学院金属研究所
Corresponding AuthorZhu, Y. L.; Ma, X. L.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Langongping Rd 287, Lanzhou 730050, Peoples R China
Recommended Citation
GB/T 7714
Zou, M. J.,Tang, Y. L.,Zhu, Y. L.,et al. Deterministic contribution of low symmetry phases to piezoresponse in oxide ferroelectrics[J]. ACTA MATERIALIA,2021,205:8.
APA Zou, M. J.,Tang, Y. L.,Zhu, Y. L.,Wang, Y. J.,Yang, L. X.,&Ma, X. L..(2021).Deterministic contribution of low symmetry phases to piezoresponse in oxide ferroelectrics.ACTA MATERIALIA,205,8.
MLA Zou, M. J.,et al."Deterministic contribution of low symmetry phases to piezoresponse in oxide ferroelectrics".ACTA MATERIALIA 205(2021):8.
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