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

The ferroelectric polarization loop of an epitaxial BiFeO3 film on a piezoelectric substrate has been investigated as a function of continuously and reversibly varied biaxial strain of ε=0.36%–0.51%. Over this range, the ferroelectric coercive field (EC) at 80 K increases reversibly by 36% with the increasing tensile strain. In contrast, phase-field simulations predict the opposite trend of dEC/dε<0. Therefore, we attribute the observed EC(ε) dependence to the strain dependence of domain dynamics, which are not included in thermodynamic models. The strain dependence of the remanent polarization agrees with previous results.

Bibliography

Biegalski, M. D., Kim, D. H., Choudhury, S., Chen, L. Q., Christen, H. M., & Dörr, K. (2011). Strong strain dependence of ferroelectric coercivity in a BiFeO3 film. Applied Physics Letters, 98(14).

Authors 6
  1. M. D. Biegalski (first)
  2. D. H. Kim (additional)
  3. S. Choudhury (additional)
  4. L. Q. Chen (additional)
  5. H. M. Christen (additional)
  6. K. Dörr (additional)
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Dates
Type When
Created 14 years, 4 months ago (April 6, 2011, 3:14 p.m.)
Deposited 2 years, 1 month ago (July 2, 2023, 11:05 a.m.)
Indexed 4 weeks, 2 days ago (July 30, 2025, 6:56 a.m.)
Issued 14 years, 4 months ago (April 4, 2011)
Published 14 years, 4 months ago (April 4, 2011)
Published Online 14 years, 4 months ago (April 5, 2011)
Published Print 14 years, 4 months ago (April 4, 2011)
Funders 1
  1. U.S. Department of Energy 10.13039/100000015

    Region: Americas

    gov (National government)

    Labels8
    1. Energy Department
    2. Department of Energy
    3. United States Department of Energy
    4. ENERGY.GOV
    5. US Department of Energy
    6. USDOE
    7. DOE
    8. USADOE

@article{Biegalski_2011, title={Strong strain dependence of ferroelectric coercivity in a BiFeO3 film}, volume={98}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3569137}, DOI={10.1063/1.3569137}, number={14}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Biegalski, M. D. and Kim, D. H. and Choudhury, S. and Chen, L. Q. and Christen, H. M. and Dörr, K.}, year={2011}, month=apr }