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Three-Dimensional Orientation Mapping in the Transmission Electron Microscope

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Three-Dimensional Orientation
Mapping in the Transmission
Electron Microscope
H. H. Liu,1 S. Schmidt,1 H. F. Poulsen,1 A. Godfrey,2 Z. Q. Liu,3 J. A. Sharon,4 X. Huang1,5*
Over the past decade, efforts have been made to develop nondestructive techniques for
three-dimensional (3D) grain-orientation mapping in crystalline materials. 3D x-ray diffraction
microscopy and differential-aperture x-ray microscopy can now be used to generate 3D orientation
maps with a spatial resolution of 200 nanometers (nm). We describe here a nondestructive
technique that enables 3D orientation mapping in the transmission electron microscope of
mono- and multiphase nanocrystalline materials with a spatial resolution reaching 1 nm. We
demonstrate the technique by an experimental study of a nanocrystalline aluminum sample
and use simulations to validate the principles involved.
4Â¥2011-05-13 14:23:05
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Three-Dimensional Orientation
Mapping in the Transmission
...

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5Â¥2011-05-13 16:54:04
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