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          Institute: Fritz-Haber-Institut     Collection: Inorganic Chemistry     Display Documents



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ID: 403322.0, Fritz-Haber-Institut / Inorganic Chemistry
Manganese-Doped Zirconia Nanocrystals
Authors:Clavel, Guylhaine; Willinger, Marc-Georg; Zitoun, David; Pinna, Nicola
Language:English
Research Context:Electron microscopic investigations
Date of Publication (YYYY-MM-DD):2008-02
Title of Journal:European Journal of Inorganic Chemistry
Issue / Number:6
Start Page:863
End Page:868
Title of Issue:Metal Oxide Nanoparticles
Copyright:© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:In recent theoretical work, it was predicted that transition-metal-doped zirconia (ZrO2) can be ferromagnetic at room temperature with a dependence on the metal dopant and its oxidation state and concentration.[1] For experimental verification of these predictions, manganese-doped ZrO2 nanoparticles were synthesized. The synthesis was achieved by the benzyl alcohol route, which led to high-quality nanocrystals with uniform size and shape. The obtained particles present a homogeneous distribution of the magnetic ion. The crystallographic phase was studied by XRD, electron diffraction, and high-resolution TEM. The doping efficiency was determined at the macroscopic level by chemical analysis and at the nanoscale level by electron energy loss spectrometry. The local structure of the manganese ions in the ZrO2 matrix was characterized by electron paramagnetic resonance. Finally, the magnetic properties of the obtained nanocrystals were investigated by susceptibility measurements.
Free Keywords:Zirconium; Manganese; Doping; Magnetic properties; Nanoparticles
External Publication Status:published
Document Type:Article
Communicated by:Robert Schlögl
Affiliations:Fritz-Haber-Institut/Inorganic Chemistry
External Affiliations:Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
AIME, Institut Charles Gerhardt, Université Montpellier II, Place Eugène Bataillon, 34095 Montpellier, France
Identifiers:URL:http://dx.doi.org/10.1002/ejic.200700977 [only for subscriber]
ISSN:1434-1948
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