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    A facile method to compare EFTEM maps obtained from materials changing composition over time

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    Name:
    Facile eftem treatment_Falqui and Casu_manuscript reviewed for repo.pdf
    Size:
    3.750Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Casu, Alberto
    Genovese, Alessandro
    Di Benedetto, Cristiano cc
    Lentijo Mozo, Sergio
    Sogne, Elisa cc
    Zuddas, Efisio
    Falqui, Andrea cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Bioscience Program
    Date
    2015-10-31
    Online Publication Date
    2015-10-31
    Print Publication Date
    2015-12
    Permanent link to this record
    http://hdl.handle.net/10754/583301
    
    Metadata
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    Abstract
    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 Technique
    Publisher
    Wiley
    Journal
    Microscopy Research and Technique
    DOI
    10.1002/jemt.22589
    PubMed ID
    26518616
    Additional Links
    http://doi.wiley.com/10.1002/jemt.22589
    ae974a485f413a2113503eed53cd6c53
    10.1002/jemt.22589
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Bioscience Program

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