Abstract
Ferroelectric and ferroelastic domain structure has a profound effect on the piezoelectric, ferroelectric, and dielectric responses of ferroelectric materials. However, domain walls and strain field effects on thermal properties are unknown. We measured the thermal conductance from 100–400 K of epitaxially grown BiFeO3 thin films with different domain variants, each separated primarily by 71° domain walls. We determined the Kapitza conductance across the domain walls, which is driven by the strain field induced by the domain variants. This domain wall Kapitza conductance is lower than the Kapitza conductance associated with grain boundaries in all previously measured materials.
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Dates
Type | When |
---|---|
Created | 12 years, 4 months ago (March 26, 2013, 6:14 p.m.) |
Deposited | 2 years, 2 months ago (June 17, 2023, 4:37 p.m.) |
Indexed | 3 weeks ago (Aug. 2, 2025, 12:42 a.m.) |
Issued | 12 years, 4 months ago (March 25, 2013) |
Published | 12 years, 4 months ago (March 25, 2013) |
Published Online | 12 years, 4 months ago (March 26, 2013) |
Published Print | 12 years, 4 months ago (March 25, 2013) |
Funders
1
National Science Foundation
10.13039/100000001
Region: Americas
gov (National government)
Labels
4
- U.S. National Science Foundation
- NSF
- US NSF
- USA NSF
Awards
1
- DE-AC04-94AL85000
@article{Hopkins_2013, title={Effects of coherent ferroelastic domain walls on the thermal conductivity and Kapitza conductance in bismuth ferrite}, volume={102}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4798497}, DOI={10.1063/1.4798497}, number={12}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hopkins, Patrick E. and Adamo, Carolina and Ye, Linghan and Huey, Bryan D. and Lee, Stephen R. and Schlom, Darrell G. and Ihlefeld, Jon F.}, year={2013}, month=mar }