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Title: Oxide wizard: an EELS application to characterize the white lines of transition metal edges
Author: Yedra Cardona, Lluís
Xuriguera Martín, María Elena
Estrader i Bofarull, Marta
López-Ortega, Alberto
Baró, M. D.
Nogués, Josep
Roldan, Manuel
Varela, María
Estradé Albiol, Sònia
Peiró Martínez, Francisca
Keywords: Microscòpia electrònica de transmissió
Metalls de transició
Transmission electron microscopy
Transition metals
Issue Date: 21-Apr-2014
Publisher: Cambridge University Press
Abstract: Physicochemical properties of transition metal oxides are directly determined by the oxidation state of the metallic cations. To address the increasing need to accurately evaluate the oxidation states of transition metal oxide systems at the nanoscale, here we present Oxide Wizard. This script for Digital Micrograph characterizes the energy-loss near-edge structure and the position of the transition metal edges in the electron energy-loss spectrum. These characteristics of the edges can be linked to the oxidation states of transition metals with high spatial resolution. The power of the script is demonstrated by mapping manganese oxidation states in Fe3O4/Mn3O4 core/shell nanoparticles with sub-nanometer resolution in real space
Note: Reproducció del document publicat a:
It is part of: Microscopy and Microanalysis, 2014, vol. 20, num. 3, p. 698-705
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ISSN: 1431-9276
Appears in Collections:Articles publicats en revistes (Química Inorgànica i Orgànica)
Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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