用于库仑离域的点扩散函数的直接测量——重新审视
Direct measurement of the PSF for Coulomb delocalization - a reconsideration.
作者信息
Egerton R F, Blackburn A M, Herring R A, Wu L, Zhu Y
机构信息
Physics Department, University of Alberta, Edmonton, Canada T6G 2E1.
CAMTEC, University of Victoria, Canada V8W 2Y2.
出版信息
Ultramicroscopy. 2021 Nov;230:113374. doi: 10.1016/j.ultramic.2021.113374. Epub 2021 Aug 10.
Abstract
An interpretation of Coulomb delocalization, which limits the spatial resolution of inelastic TEM or STEM images, is given. We conclude that the corresponding point spread function cannot be measured as a broadening of a STEM probe.
摘要
给出了对库仑离域的一种解释，它限制了非弹性透射电子显微镜（TEM）或扫描透射电子显微镜（STEM）图像的空间分辨率。我们得出结论，相应的点扩散函数不能作为STEM探针的展宽来测量。
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