Journal Article

FZJ-2015-04062

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Analysis of Dopant Atom Distribution and Quantification of Oxygen Vacancies on Individual Gd-Doped CeO 2 Nanocrystals

Stroppa, D. G. (Corresponding Author)FZJ* ; Dalmaschio, C. J. ; Houben, L.FZJ* ; Barthel, J.FZJ* ; Montoro, L. A. ; Leite, E. R. ; Ramirez, A. J.

2014
Wiley-VCH Weinheim

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Please use a persistent id in citations: doi:10.1002/chem.201400412

Abstract: This work reports the analysis of the distribution of Gd atoms and the quantification of O vacancies applied to individual CeO2 and Gd-doped CeO2 nanocrystals by electron energy-loss spectroscopy. The concentration of O vacancies measured on the undoped system (6.3±2.6 %) matches the expected value given the typical Ce3+ content previously reported for CeO2 nanoparticles. The doped nanoparticles have an uneven distribution of dopant atoms and an atypical amount of O vacant sites (37.7±4.1 %). The measured decrease of the O content induced by Gd doping cannot be explained solely by the charge balance including Ce3+ and Gd3+ ions.

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Contributing Institute(s):

1. Mikrostrukturforschung (PGI-5)

Research Program(s):

1. 42G - Peter Grünberg-Centre (PG-C) (POF2-42G41) (POF2-42G41)

Appears in the scientific report 2015

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Database coverage:
; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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