Crossref journal-article
AIP Publishing
Applied Physics Letters (317)
Abstract

Weak piezoelectricity, compared with electrostriction, occurs in twinned ferroelastic materials even when the uniform bulk material is centro-symmetric. In a simple computer simulation, polarity is exclusively generated by the flexoelectric effect. Simple twinned structures (parallel twin walls) are electrostrictive and show no piezoelectricity. Complex twinned structures break inversion symmetry by the simultaneous appearance of junctions, kinks, needle domains, etc. Such structures show weak piezoelectricity (d ∼ 10−4 pm/V) under periodic boundary conditions together with significant electrostriction. The macroscopic piezoelectric response is stronger (d ∼ 10−3 pm/V) under free boundary conditions due to the effect of relaxing surfaces.

Bibliography

Lu, G., Li, S., Ding, X., & Salje, E. K. H. (2019). Piezoelectricity and electrostriction in ferroelastic materials with polar twin boundaries and domain junctions. Applied Physics Letters, 114(20).

Authors 4
  1. Guangming Lu (first)
  2. Suzhi Li (additional)
  3. Xiangdong Ding (additional)
  4. Ekhard K. H. Salje (additional)
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Dates
Type When
Created 6 years, 3 months ago (May 20, 2019, 10:42 a.m.)
Deposited 2 years, 2 months ago (June 17, 2023, 8:40 p.m.)
Indexed 3 weeks ago (Aug. 2, 2025, 12:14 a.m.)
Issued 6 years, 3 months ago (May 20, 2019)
Published 6 years, 3 months ago (May 20, 2019)
Published Online 6 years, 3 months ago (May 20, 2019)
Published Print 6 years, 3 months ago (May 20, 2019)
Funders 2
  1. National Natural Science Foundation of China 10.13039/501100001809

    Region: Asia

    gov (National government)

    Labels11
    1. Chinese National Science Foundation
    2. Natural Science Foundation of China
    3. National Science Foundation of China
    4. NNSF of China
    5. NSF of China
    6. 国家自然科学基金委员会
    7. National Nature Science Foundation of China
    8. Guójiā Zìrán Kēxué Jījīn Wěiyuánhuì
    9. NSFC
    10. NNSF
    11. NNSFC
    Awards2
    1. 51320105014
    2. 51621063
  2. Engineering and Physical Sciences Research Council 10.13039/501100000266

    Region: Europe

    gov (National government)

    Labels4
    1. UKRI Engineering and Physical Sciences Research Council
    2. Engineering and Physical Sciences Research Council - UKRI
    3. Engineering & Physical Sciences Research Council
    4. EPSRC
    Awards1
    1. EP/P024904/1

@article{Lu_2019, title={Piezoelectricity and electrostriction in ferroelastic materials with polar twin boundaries and domain junctions}, volume={114}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.5092523}, DOI={10.1063/1.5092523}, number={20}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Lu, Guangming and Li, Suzhi and Ding, Xiangdong and Salje, Ekhard K. H.}, year={2019}, month=may }