Abstract
We report on the development of a nanometer scale strain mapping technique by means of scanning nano-beam electron diffraction. Only recently possible due to fast acquisition with a direct electron detector, this technique allows for strain mapping with a high precision of 0.1% at a lateral resolution of 1 nm for a large field of view reaching up to 1 μm. We demonstrate its application to a technologically relevant strain-engineered GaAs/GaAsP hetero-structure and show that the method can even be applied to highly defected regions with substantial changes in local crystal orientation. Strain maps derived from atomically resolved scanning transmission electron microscopy images were used to validate the accuracy, precision and resolution of this versatile technique.
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Dates
Type | When |
---|---|
Created | 10 years, 2 months ago (June 24, 2015, 1 p.m.) |
Deposited | 2 years, 2 months ago (June 17, 2023, 8:06 p.m.) |
Indexed | 5 days, 8 hours ago (Aug. 30, 2025, 12:59 p.m.) |
Issued | 10 years, 2 months ago (June 22, 2015) |
Published | 10 years, 2 months ago (June 22, 2015) |
Published Online | 10 years, 2 months ago (June 24, 2015) |
Published Print | 10 years, 2 months ago (June 22, 2015) |
Funders
2
Austrian Science Fund
10.13039/501100002428
Region: Europe
gov (National government)
Labels
8
- Fonds zur Förderung der Wissenschaftlichen Forschung
- FWF Der Wissenschaftsfonds
- FWF Austrian Science Fund
- Der Wissenschaftsfonds FWF
- Österreichischer Wissenschaftsfonds
- FWF
- FFWF
- FWF EN
Awards
1
- J3397
U.S. Department of Energy
10.13039/100000015
Region: Americas
gov (National government)
Labels
8
- Energy Department
- Department of Energy
- United States Department of Energy
- ENERGY.GOV
- US Department of Energy
- USDOE
- DOE
- USADOE
Awards
1
- DE-AC02-05CH11231
@article{Ozdol_2015, title={Strain mapping at nanometer resolution using advanced nano-beam electron diffraction}, volume={106}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4922994}, DOI={10.1063/1.4922994}, number={25}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Ozdol, V. B. and Gammer, C. and Jin, X. G. and Ercius, P. and Ophus, C. and Ciston, J. and Minor, A. M.}, year={2015}, month=jun }