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Jo, Wook
Sustainable Functional Ceramics Lab
Research Interests
  • Lead-free piezoceramics, ultra - low temperature sintering, ferroelectrics, relaxor ferroelectrics, 2D materials, magnetoelectric materials, multiferroics

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In situ total strain measurements revealing the strain mechanism of Pb(Mg1/3Nb2/3)O3single bondPbTiO3 single crystals

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Title
In situ total strain measurements revealing the strain mechanism of Pb(Mg1/3Nb2/3)O3single bondPbTiO3 single crystals
Author
Kim, Hwang-PillLee, Geon-JuCho, Jae-HyeonKang, Woo-SeokLee, Sang-GooLee, Ho-YongJo, Wook
Issue Date
2021-07
Publisher
ELSEVIER
Citation
JOURNAL OF MATERIOMICS, v.7, no.4, pp.693 - 698
Abstract
The strain behavior of 0.71 Pb(Mg1/3Nb2/3)O-3-0.29 PbTiO3 (PMN-PT) single crystal prepared by a solidstate single crystal growth method was investigated on two most widely used orientations, i.e., (001) and (011)-oriented. A special emphasis was put on the correlation among longitudinal and transverse strains and the consequent volume change. We show that seemingly different strain behavior of (001) and (011)-oriented crystals has the same origin, and the underlying mechanism excludes possible contribution from the frequently cited polarization rotation. In situ monitoring of electric field induced Poisson's ratio further suggested that the polarization vectors contributing to the strain properties in PMN-PT are not confined to a unique direction forced by the crystallographic symmetry but possess a span of angular range. (C) 2020 The Chinese Ceramic Society. Production and hosting by Elsevier B.V.
URI
https://scholarworks.unist.ac.kr/handle/201301/48687
URL
https://www.sciencedirect.com/science/article/pii/S2352847820303579
DOI
10.1016/j.jmat.2020.09.002
ISSN
2352-8478
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MSE_Journal Papers
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