Towards better 3-D reconstructions by combining electron tomography and atom-probe tomography

Scanning transmission electron microscope tomography and atom-probe tomography are both three-dimensional techniques on the nanoscale. We demonstrate here the combination of the techniques by analyzing the very same volume of an Al–Ag alloy specimen. This comparison allows us to directly visualize t...

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Bibliographic Details
Published in:Ultramicroscopy 2008-11, Vol.108 (12), p.1579-1585
Main Authors: Arslan, Ilke, Marquis, Emmanuelle A., Homer, Mark, Hekmaty, Michelle A., Bartelt, Norman C.
Format: Article
Language:English
Subjects:
Atom-probe tomography
Electron Microscope Tomography - methods
Electron Probe Microanalysis - methods
Imaging, Three-Dimensional - methods
Microscopy, Electron, Scanning Transmission
Nanotechnology
Reconstruction artifacts
STEM tomography
Three-dimensional reconstructions
Tomography - methods
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Summary:Scanning transmission electron microscope tomography and atom-probe tomography are both three-dimensional techniques on the nanoscale. We demonstrate here the combination of the techniques by analyzing the very same volume of an Al–Ag alloy specimen. This comparison allows us to directly visualize the theoretically known artifacts of each technique experimentally, providing insight into the optimal parameters to use for reconstructions and assessing the quality of each reconstruction. The combination of the techniques for accurate morphology and compositional information in three dimensions at the nanoscale provides a route for a new level of materials characterization and understanding.
ISSN:0304-3991
1879-2723
DOI:10.1016/j.ultramic.2008.05.008