Room temperature ferromagnetism in Ce1−xFexO2− (x = 0.0, 0.05, 0.10, 0.15 and 0.20) nanoparticles synthesised by combustion method

Jayakumar, Onattu Damodharan ; Vinu, Ajayan ; Guduru, K. Veerendra ; Sakuntala, Tyagaraja ; Tyagi, Avesh Kumar (2010) Room temperature ferromagnetism in Ce1−xFexO2− (x = 0.0, 0.05, 0.10, 0.15 and 0.20) nanoparticles synthesised by combustion method Journal of Nanoscience and Nanotechnology, 10 (4). pp. 2299-2303. ISSN 1533-4880

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Official URL: http://www.ingentaconnect.com/content/asp/jnn/2010...

Related URL: http://dx.doi.org/10.1166/jnn.2010.1925

Abstract

Nanocrystalline Ce1−xFexO2− 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− 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 (Tc) well above room temperature.

Item Type:Article
Source:Copyright of this article belongs to American Scientific Publishers.
Keywords:DC Magnetization; FE Doped CEO2; Raman Spectroscopy; Room Temperature Ferromagnetism; Selected-Area Electron Diffraction; Transmission Electron Microscopy
ID Code:108137
Deposited On:01 Feb 2018 11:31
Last Modified:01 Feb 2018 11:31

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