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Updated: Sep 25, 2026

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles
Published on: July 5, 2016
Three-dimensional imaging of microstructure in Au nanocrystals
G J Williams1, M A Pfeifer, I A Vartanyants
1Department of Physics, University of Illinois, Urbana, Illinois 61810, USA.
Abstract:
X-ray diffraction using a coherent beam involves the mutual interference among all the extremities of small crystals. The continuous diffraction pattern so produced can be phased because it can be oversampled. We have thus obtained three-dimensional images of the interiors of Au nanocrystals that show 50 nm wide bands of contrast with [111] orientation that probably arise from internal twinning by dynamic recrystallization during their formation at high temperature.
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