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An electron energy loss spectrometer based streak camera for time resolved TEM measurements.

Authors :
Ali H
Eriksson J
Li H
Jafri SHM
Kumar MSS
Ögren J
Ziemann V
Leifer K
Source :
Ultramicroscopy [Ultramicroscopy] 2017 May; Vol. 176, pp. 5-10. Date of Electronic Publication: 2016 Dec 11.
Publication Year :
2017

Abstract

We propose an experimental setup based on a streak camera approach inside an energy filter to measure time resolved properties of materials in the transmission electron microscope (TEM). In order to put in place the streak camera, a beam sweeper was built inside an energy filter. After exciting the TEM sample, the beam is swept across the CCD camera of the filter. We describe different parts of the setup at the example of a magnetic measurement. This setup is capable to acquire time resolved diffraction patterns, electron energy loss spectra (EELS) and images with total streaking times in the range between 100ns and 10μs.<br /> (Copyright © 2016 Elsevier B.V. All rights reserved.)

Details

Language :
English
ISSN :
1879-2723
Volume :
176
Database :
MEDLINE
Journal :
Ultramicroscopy
Publication Type :
Academic Journal
Accession number :
28038784
Full Text :
https://doi.org/10.1016/j.ultramic.2016.11.026