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Accuracy of surface strain measurements from transmission electron microscopy images of nanoparticles

Overview of attention for article published in Advanced Structural and Chemical Imaging, October 2017
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Title
Accuracy of surface strain measurements from transmission electron microscopy images of nanoparticles
Published in
Advanced Structural and Chemical Imaging, October 2017
DOI 10.1186/s40679-017-0047-0
Pubmed ID
Authors

Jacob Madsen, Pei Liu, Jakob B. Wagner, Thomas W. Hansen, Jakob Schiøz, Jakob Schiøtz

Abstract

Strain analysis from high-resolution transmission electron microscopy (HRTEM) images offers a convenient tool for measuring strain in materials at the atomic scale. In this paper we present a theoretical study of the precision and accuracy of surface strain measurements directly from aberration-corrected HRTEM images. We examine the influence of defocus, crystal tilt and noise, and find that absolute errors of at least 1-2% strain should be expected. The model structures include surface relaxations determined using molecular dynamics, and we show that this is important for correctly evaluating the errors introduced by image aberrations.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 25 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 25 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 12 48%
Researcher 4 16%
Other 1 4%
Professor 1 4%
Student > Master 1 4%
Other 2 8%
Unknown 4 16%
Readers by discipline Count As %
Materials Science 12 48%
Physics and Astronomy 5 20%
Chemistry 2 8%
Pharmacology, Toxicology and Pharmaceutical Science 1 4%
Economics, Econometrics and Finance 1 4%
Other 2 8%
Unknown 2 8%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 November 2017.
All research outputs
#10,737,981
of 12,109,122 outputs
Outputs from Advanced Structural and Chemical Imaging
#21
of 22 outputs
Outputs of similar age
#239,145
of 285,173 outputs
Outputs of similar age from Advanced Structural and Chemical Imaging
#1
of 2 outputs
Altmetric has tracked 12,109,122 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 22 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.7. This one scored the same or higher as 1 of them.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 285,173 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 2 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them