Abstract
The piezoelectricity and electrostriction of a single crystal of the archetypical relaxor, lead magnesium niobate, (PbMg1∕3Nb2∕3O3, PMN), have been investigated by resonant piezoelectric spectroscopy (RPS) and resonant electrostriction spectroscopy (RES). RPS and RES measurements detect the piezoelectric effect and electrostriction up to ∼730 K and ∼810 K, respectively, with the former being ∼110 K above the Burns temperature TB. The observation of the piezoelectric effect above TB indicates that PNRs exist at such high temperatures and they lead to a non-zero time averaged polarization under the strain gradients induced by chemically ordered regions with Fm3¯m symmetry. Finally, coupled RES and RPS measurements may be a convenient approach to investigate mesoscopic and macroscopic polarity simultaneously, allowing to correlate the former with the latter.
Authors
2
- Oktay Aktas (first)
- Ekhard K. H. Salje (additional)
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Dates
Type | When |
---|---|
Created | 6 years, 9 months ago (Nov. 12, 2018, 11:14 a.m.) |
Deposited | 2 years, 1 month ago (July 15, 2023, 4:43 p.m.) |
Indexed | 4 weeks ago (July 30, 2025, 7:13 a.m.) |
Issued | 6 years, 9 months ago (Nov. 12, 2018) |
Published | 6 years, 9 months ago (Nov. 12, 2018) |
Published Online | 6 years, 9 months ago (Nov. 12, 2018) |
Published Print | 6 years, 9 months ago (Nov. 12, 2018) |
Funders
5
Leverhulme Trust
10.13039/501100000275
Awards
1
- EM-2016-004
National Natural Science Foundation of China
10.13039/501100001809
Region: Asia
gov (National government)
Labels
11
- Chinese National Science Foundation
- Natural Science Foundation of China
- National Science Foundation of China
- NNSF of China
- NSF of China
- 国家自然科学基金委员会
- National Nature Science Foundation of China
- Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
- NSFC
- NNSF
- NNSFC
Awards
2
- 51621063
- 5132015014
China Postdoctoral Science Foundation
10.13039/501100002858
Region: Asia
gov (Trusts, charities, foundations (both public and private))
Labels
1
- China Postdoctoral Foundation Project
Awards
1
- 2017M623163
State Administration of Foreign Experts Affairs
10.13039/501100003512
Region: Asia
gov (National government)
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2
- State Administration of Foreign Experts Affairs, China
- SAFEA
Awards
1
- WQ2017XAJT049
Engineering and Physical Sciences Research Council
10.13039/501100000266
Region: Europe
gov (National government)
Labels
4
- UKRI Engineering and Physical Sciences Research Council
- Engineering and Physical Sciences Research Council - UKRI
- Engineering & Physical Sciences Research Council
- EPSRC
Awards
1
- EP/P024904
@article{Aktas_2018, title={Macroscopic symmetry breaking and piezoelectricity in relaxor ferroelectric lead magnesium niobate}, volume={113}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.5055001}, DOI={10.1063/1.5055001}, number={20}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Aktas, Oktay and Salje, Ekhard K. H.}, year={2018}, month=nov }