Influence of thermal diffuse scattering on image contrast in scanning transmission electron microscopy
We analyze the loss of contrast in simulated atomic-resolution annular dark-field scan- ning transmission electron microscopy images due to the incoherent thermal diffuse scattering (TDS) for SrTiO3 and PbTiO3 samples. The contribution of TDS in the contrast reduction is evaluated within the TDS...
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| Main Author: | |
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| Format: | article |
| Language: | EN |
| Published: |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2007
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| Subjects: | |
| Online Access: | https://doaj.org/article/65f2b2bb933c4b42ac52885fe9c4ad8b |
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| Summary: | We analyze the loss of contrast in simulated atomic-resolution annular dark-field scan-
ning transmission electron microscopy images due to the incoherent thermal diffuse scattering
(TDS) for SrTiO3 and PbTiO3 samples. The contribution of TDS in the contrast reduction is
evaluated within the TDS generation function approximation. From the thickness dependence of the contrast loss in simulated images it is seen that inclusion of thermal diffuse scattering
leads to a strong reduction of the image contrast.
PACS numbers: 61.16.Bg; 87.64.Bx |
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