The spatial resolution of imaging using core-loss spectroscopy in the scanning transmission electron microscope.

  • Cosgriff E
  • Oxley M
  • Allen L
 et al. 
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Abstract

The 'delocalization' of inelastic scattering is an important issue for the ultimate spatial resolution of core-loss spectroscopy in the electron microscope. This paper investigates the resolution of scanning transmission electron microscopy images for single, isolated atoms. Images are simulated from first principles using a nonlocal model for electron core-loss spectroscopy. The role of the width of the probe relative to the delocalization of the underlying ionization interaction is considered.

Author-supplied keywords

  • Calcium
  • Calcium: chemistry
  • Carbon
  • Carbon: chemistry
  • Electron
  • Magnesium
  • Magnesium: chemistry
  • Microscopy
  • Nanotechnology
  • Nanotechnology: methods
  • Scanning Transmission
  • Scanning Transmission: instrumentation
  • Scanning Transmission: methods
  • Spectrum Analysis
  • Spectrum Analysis: instrumentation
  • Spectrum Analysis: methods

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Authors

  • E C Cosgriff

  • M P Oxley

  • Leslie J. Allen

  • S J Pennycook

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