Radiation damage in the TEM and SEM

被引:1872
作者
Egerton, RF [1 ]
Li, P [1 ]
Malac, M [1 ]
机构
[1] Univ Alberta, Dept Phys, Fac Sci, Edmonton, AB T6G 2J1, Canada
关键词
radiation damage; radiolysis; electron sputtering; transmission electron microscope; scanning electron microscope;
D O I
10.1016/j.micron.2004.02.003
中图分类号
TH742 [显微镜];
学科分类号
摘要
We review the various ways in which an electron beam can adversely affect an organic or inorganic sample during examination in an electron microscope. The effects considered are: heating, electrostatic charging, ionization damage (radiolysis), displacement damage, sputtering and hydrocarbon contamination. In each case, strategies to minimise the damage are identified. In the light of recent experimental evidence, we re-examine two common assumptions: that the amount of radiation damage is proportional to the electron dose and is independent of beam diameter; and that the extent of the damage is proportional to the amount of energy deposited in the specimen. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:399 / 409
页数:11
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