Dynamics of annular bright field imaging in scanning transmission electron microscopy.

@article{Findlay2010DynamicsOA,
  title={Dynamics of annular bright field imaging in scanning transmission electron microscopy.},
  author={Scott D Findlay and Naoya Shibata and Hidetaka Sawada and Eiji Okunishi and Yukihito Kondo and Yuichi Ikuhara},
  journal={Ultramicroscopy},
  year={2010},
  volume={110 7},
  pages={903-23}
}
We explore the dynamics of image formation in the so-called annular bright field mode in scanning transmission electron microscopy, whereby an annular detector is used with detector collection range lying within the cone of illumination, i.e. the bright field region. We show that this imaging mode allows us to reliably image both light and heavy columns over a range of thickness and defocus values, and we explain the contrast mechanisms involved. The role of probe and detector aperture sizes is… CONTINUE READING

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