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Aveyard R, Ferrando R, Johnston RL, et al. Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging. Phys Rev Lett. 2014;113(7):075501doi: 10.1103/PhysRevLett.113.075501.
Aveyard, R., Ferrando, R., Johnston, R. L., & Yuan, J. (2014). Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging. Physical review letters, 113(7), 075501. https://doi.org/10.1103/PhysRevLett.113.075501
Aveyard, Richard, et al. "Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging." Physical review letters vol. 113,7 (2014): 075501. doi: https://doi.org/10.1103/PhysRevLett.113.075501
Aveyard R, Ferrando R, Johnston RL, Yuan J. Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging. Phys Rev Lett. 2014 Aug 15;113(7):075501. doi: 10.1103/PhysRevLett.113.075501. Epub 2014 Aug 13. PMID: 25170712.
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Phys Rev Lett. 2014 Aug 15;113(7):075501. doi: 10.1103/PhysRevLett.113.075501. Epub 2014 Aug 13.

Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging.

Physical review letters

Richard Aveyard, Riccardo Ferrando, Roy L Johnston, Jun Yuan

Affiliations

  1. Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom.
  2. Dipartimento di Fisica, Università di Genova, via Dodecaneso 33, 16146 Genova, Italy.
  3. School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.

PMID: 25170712 DOI: 10.1103/PhysRevLett.113.075501

Abstract

High-angle annular dark-field scanning transmission electron microscopy in conjunction with image simulation is an important tool to determine the structure of nanomaterials. We show that molecular dynamics calculations can be combined with multislice image simulations to account for the large effects of surface-enhanced thermal vibrations and structural relaxation on image intensities. Application to a catalytically important gold cluster shows that the image intensity is sensitive to these surface dominated effects with important implications for three-dimensional structural characterizations.

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