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Atomic resolution imaging using the real‐space distribution of electrons scattered by a crystalline material

Atomic resolution imaging using the real‐space distribution of electrons scattered by a... We present an alternative atomic resolution incoherent imaging technique derived from scanning transmission electron microscopy (STEM) using detectors in real space, in contrast to conventional STEM that uses detectors in diffraction space. The images obtained from various specimens have a resolution comparable to conventional high‐angle annular dark‐field (HAADF) STEM with good contrast, which seems to be very robust with respect to thickness, focus and imaging conditions. The results of the simulations are consistent with the experimental results and support the interpretation of the real‐space STEM image contrast as being a result of aberration‐induced displacements of the high‐angle scattered electrons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section A Foundations of Crystallography Wiley

Atomic resolution imaging using the real‐space distribution of electrons scattered by a crystalline material

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References (24)

Publisher
Wiley
Copyright
Copyright © 2011 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0108-7673
eISSN
1600-5724
DOI
10.1107/S0108767311020708
pmid
21844654
Publisher site
See Article on Publisher Site

Abstract

We present an alternative atomic resolution incoherent imaging technique derived from scanning transmission electron microscopy (STEM) using detectors in real space, in contrast to conventional STEM that uses detectors in diffraction space. The images obtained from various specimens have a resolution comparable to conventional high‐angle annular dark‐field (HAADF) STEM with good contrast, which seems to be very robust with respect to thickness, focus and imaging conditions. The results of the simulations are consistent with the experimental results and support the interpretation of the real‐space STEM image contrast as being a result of aberration‐induced displacements of the high‐angle scattered electrons.

Journal

Acta Crystallographica Section A Foundations of CrystallographyWiley

Published: Jan 1, 2011

Keywords: ; ;

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