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Room Temperature Ferromagnetism in Ce1-xFexO2-delta (x=0.0, 0.05, 0.10, 0.15 and 0.20) Nanoparticles Synthesised by Combustion Method
KTH, School of Engineering Sciences (SCI), Applied Physics.
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2010 (English)In: Journal of Nanoscience and Nanotechnology, ISSN 1533-4880, Vol. 10, no 4, 2299-2303 p.Article in journal (Refereed) Published
Abstract [en]

Nanocrystalline Ce1-xFexO2-delta particles with different Fe concentrations (x = 0.0, 0.05, 0.10, 0.15, and 0.20) have been prepared by a gel-combustion method. X-ray diffraction data revealed the formation of an impurity free Ce1-xFexO2-delta products up to x = 0.15. This observation is further confirmed from the detailed studies conducted on 10 at.% Fe doped CeO2 using High-Resolution Transmission Electron Microscopy (HRTEM) imaging, Selected-Area Electron Diffraction (SAED) and Raman spectroscopy. DC magnetization studies as a function of field and temperature indicate that they are ferromagnetic with Curie temperature (T-c) well above room temperature.

Place, publisher, year, edition, pages
2010. Vol. 10, no 4, 2299-2303 p.
Keyword [en]
Fe Doped CeO2, Room Temperature Ferromagnetism, DC Magnetization, Transmission Electron Microscopy, Selected-Area Electron Diffraction, Raman Spectroscopy
National Category
Chemical Sciences Materials Engineering Condensed Matter Physics
URN: urn:nbn:se:kth:diva-28871DOI: 10.1166/jnn.2010.1925ISI: 000273984900004ScopusID: 2-s2.0-77954976113OAI: diva2:395546
QC 20110207Available from: 2011-02-07 Created: 2011-01-21 Last updated: 2011-02-07Bibliographically approved

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Guduru, K. Veerendra
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