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

The extent to which notches inhibit axial switching of polarization in ferroelectric nanowires was investigated by monitoring the switching behavior of single crystal BaTiO3 wires before and after patterning triangular notches along their lengths. Static zero-field domain patterns suggested a strong domain-notch interaction, implying that notches should act as pinning sites for domain wall propagation. Surprisingly though, notches appeared to assist, rather than inhibit, polar switching. The origin of this effect was rationalized using finite element modeling of the electric field distribution along the notched wire; it was found that the air gap associated with the notch acted to enhance the local field, both in the air, and in the adjacent region of the ferroelectric. It seems that this local field enhancement outweighs any pinning interactions.

Bibliography

McMillen, M., McQuaid, R. G. P., Haire, S. C., McLaughlin, C. D., Chang, L. W., Schilling, A., & Gregg, J. M. (2010). The influence of notches on domain dynamics in ferroelectric nanowires. Applied Physics Letters, 96(4).

Authors 7
  1. M. McMillen (first)
  2. R. G. P. McQuaid (additional)
  3. S. C. Haire (additional)
  4. C. D. McLaughlin (additional)
  5. L. W. Chang (additional)
  6. A. Schilling (additional)
  7. J. M. Gregg (additional)
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Dates
Type When
Created 15 years, 6 months ago (Feb. 1, 2010, 11:35 a.m.)
Deposited 2 years, 2 months ago (June 24, 2023, 1:39 a.m.)
Indexed 4 weeks, 2 days ago (July 30, 2025, 6:53 a.m.)
Issued 15 years, 7 months ago (Jan. 25, 2010)
Published 15 years, 7 months ago (Jan. 25, 2010)
Published Online 15 years, 7 months ago (Jan. 29, 2010)
Published Print 15 years, 7 months ago (Jan. 25, 2010)
Funders 0

None

@article{McMillen_2010, title={The influence of notches on domain dynamics in ferroelectric nanowires}, volume={96}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3300638}, DOI={10.1063/1.3300638}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={McMillen, M. and McQuaid, R. G. P. and Haire, S. C. and McLaughlin, C. D. and Chang, L. W. and Schilling, A. and Gregg, J. M.}, year={2010}, month=jan }