The spatial resolution of imaging using core-loss spectroscopy in the scanning transmission electron microscope

被引：46

作者：

Cosgriff, EC

Oxley, MP

Allen, LJ ^{[1
]}

Pennycook, SJ

机构：

[1] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

[2] Oak Ridge Natl Lab, Div Condensed Matter Sci, Oak Ridge, TN 37831 USA

来源：

ULTRAMICROSCOPY | 2005年 / 102卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

delocalization of inelastic scattering; core-loss spectroscopy; scanning transmission electron microscopy;

D O I：

10.1016/j.ultramic.2004.11.001

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

The 'delocalization' of inelastic scattering is an important issue for the ultimate spatial resolution of core-loss spectroscopy in the electron microscope. This paper investigates the resolution of scanning transmission electron microscopy images for single, isolated atoms. Images are simulated from first principles using a nonlocal model for electron core-loss spectroscopy. The role of the width of the probe relative to the delocalization of the underlying ionization interaction is considered. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：317 / 326

页数：10

共 26 条

[1] Atomic-resolution electron energy loss spectroscopy imaging in aberration corrected scanning transmission electron microscopy [J].