A facile method to compare EFTEM maps obtained from materials changing composition over time
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Facile eftem treatment_Falqui and Casu_manuscript reviewed for repo.pdf
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ArticleAuthors
Casu, AlbertoGenovese, Alessandro
Di Benedetto, Cristiano

Lentijo Mozo, Sergio
Sogne, Elisa

Zuddas, Efisio
Falqui, Andrea

KAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionBioscience Program
Date
2015-10-31Online Publication Date
2015-10-31Print Publication Date
2015-12Permanent link to this record
http://hdl.handle.net/10754/583301
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Energy Filtered Transmission Electron Microscopy (EFTEM) is an analytical tool that has been successfully and widely employed in the last two decades for obtaining fast elemental maps in TEM mode. Several studies and efforts have been addressed to investigate limitations and advantages of such technique, as well as to improve the spatial resolution of compositional maps. Usually, EFTEM maps undergo post-acquisition treatments by changing brightness and contrast levels, either via dedicated software or via human elaboration, in order to maximize their signal-to-noise ratio and render them as visible as possible. However, elemental maps forming a single set of EFTEM images are usually subjected to independent map-by-map image treatment. This post-acquisition step becomes crucial when analyzing materials that change composition over time as a consequence of an external stimulus, because the map-by-map approach doesn't take into account how the chemical features of the imaged materials actually progress, in particular when the investigated elements exhibit very low signals. In this article, we present a facile procedure applicable to whole sets of EFTEM maps acquired on a sample that is evolving over time. The main aim is to find a common method to treat the images features, in order to make them as comparable as possible without affecting the information there contained. Microsc. Res. Tech. 78:1090–1097, 2015. © 2015 Wiley Periodicals, Inc.Citation
A facile method to compare EFTEM maps obtained from materials changing composition over time 2015:n/a Microscopy Research and TechniquePublisher
WileyPubMed ID
26518616Additional Links
http://doi.wiley.com/10.1002/jemt.22589ae974a485f413a2113503eed53cd6c53
10.1002/jemt.22589
Scopus Count
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