Scanning precession electron tomography for three-dimensional nanoscale orientation imaging and crystallographic analysis

Alexander S. Eggeman (), Robert Krakow and Paul A. Midgley ()
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Alexander S. Eggeman: University of Cambridge
Robert Krakow: University of Cambridge
Paul A. Midgley: University of Cambridge

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract Three-dimensional (3D) reconstructions from electron tomography provide important morphological, compositional, optical and electro-magnetic information across a wide range of materials and devices. Precession electron diffraction, in combination with scanning transmission electron microscopy, can be used to elucidate the local orientation of crystalline materials. Here we show, using the example of a Ni-base superalloy, that combining these techniques and extending them to three dimensions, to produce scanning precession electron tomography, enables the 3D orientation of nanoscale sub-volumes to be determined and provides a one-to-one correspondence between 3D real space and 3D reciprocal space for almost any polycrystalline or multi-phase material.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8267

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DOI: 10.1038/ncomms8267

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