Three-dimensional orientation mapping in the transmission electron microscope.

نویسندگان

  • H H Liu
  • S Schmidt
  • H F Poulsen
  • A Godfrey
  • Z Q Liu
  • J A Sharon
  • X Huang
چکیده

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.

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عنوان ژورنال:
  • Science

دوره 332 6031  شماره 

صفحات  -

تاریخ انتشار 2011