Angular dependence of fast-electron scattering from materials
Angular dependence of fast-electron scattering from materials
复制标题
材料快速电子散射的角度依赖性
DOI:
10.1103/physrevb.101.184109
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发表时间:
2020
影响因子:
3.7
通讯作者:
Barthel J
中科院分区:
文献类型:
--
作者:
Barthel J
Angular resolved scanning transmission electron microscopy is an important tool for investigating the properties of materials. However, several recent studies have observed appreciable discrepancies in the angular scattering distribution between experiment and theory. In this paper we discuss a general approach to low-loss inelastic scattering which, when incorporated in the simulations, resolves this problem and also closely reproduces experimental data taken over an extended angular range. We also explore the role of ionic bonding, temperature factors, amorphous layers on the surfaces of the specimen, and static displacements of atoms on the angular scattering distribution. The incorporation of low-loss inelastic scattering in simulations will improve the quantitative usefulness of techniques such as low-angle annular dark-field imaging and position-averaged convergent beam electron diffraction, especially for thicker specimens.
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影响因子:
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通讯作者:
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影响因子:
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作者:
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通讯作者:
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影响因子:
2.2
作者:
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通讯作者:
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DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
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通讯作者:
L. Houben