Resolution and aberration correction in liquid cell transmission electron microscopy

被引：131
|
作者：
de Jonge, Niels [1 ,2 ]
Houben, Lothar [3 ,4 ,5 ]
Dunin-Borkowski, Rafal E. [3 ,4 ]
Ross, Frances M. [6 ,7 ]
机构：
[1] INM Leibniz Inst New Mat, Saarbrucken, Germany
[2] Saarland Univ, Dept Phys, Saarbrucken, Germany
[3] Forschungszentrum Julich, Ernst Ruska Ctr Microscopy & Spect Electrons, Julich, Germany
[4] Forschungszentrum Julich, Peter Grunberg Inst, Julich, Germany
[5] Weizmann Inst Sci, Dept Chem Res Support, Rehovot, Israel
[6] IBM TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
[7] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
来源：
NATURE REVIEWS MATERIALS | 2019年 / 4卷 / 01期
关键词：
IN-SITU; GOLD NANOPARTICLES; SPATIAL-RESOLUTION; RADIATION-DAMAGE; GROWTH; WATER; TEM; VISUALIZATION; MOTION; STEM;
D O I：
10.1038/s41578-018-0071-2
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Liquid cell electron microscopy possesses a combination of spatial and temporal resolution that provides a unique view of static structures and dynamic processes in liquids. Optimizing the resolution in liquids requires consideration of both the microscope performance and the properties of the sample. In this Review, we survey the competing factors that determine spatial and temporal resolution for transmission electron microscopy and scanning transmission electron microscopy of liquids. We discuss the effects of sample thickness, stability and dose sensitivity on spatial and temporal resolution. We show that for some liquid samples, spatial resolution can be improved by spherical and chromatic aberration correction. However, other benefits offered by aberration correction may be even more useful for liquid samples. We consider the greater image interpretability offered by spherical aberration correction and the improved dose efficiency for thicker samples offered by chromatic aberration correction. Finally, we discuss the importance of detector and sample parameters for higher resolution in future experiments.
引用
收藏
页码：61 / 78
页数：18
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