Title
Annular dark-field transmission electron microscopy for low contrast materials Annular dark-field transmission electron microscopy for low contrast materials
Author
Faculty/Department
Faculty of Sciences. Physics
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences . Biomedical Sciences
Publication type
article
Publication
Cambridge, Mass. ,
Subject
Physics
Chemistry
Source (journal)
Microscopy and microanalysis. - Cambridge, Mass.
Volume/pages
19(2013) :3 , p. 629-634
ISSN
1431-9276
ISI
000319126300014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Imaging soft matter by transmission electron microscopy (TEM) is anything but straightforward. Recently, interest has grown in developing alternative imaging modes that generate contrast without additional staining. Here, we present a dark-field TEM technique based on the use of an annular objective aperture. Our experiments demonstrate an increase in both contrast and signal-to-noise ratio in comparison to conventional bright-field TEM. The proposed technique is easy to implement and offers an alternative imaging mode to investigate soft matter.
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