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Elsevier, Journal of Magnetism and Magnetic Materials, 22(322), p. 3688-3691

DOI: 10.1016/j.jmmm.2010.07.026

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Finite size effect on Gd3+ doped CoGdxFe2−xO4 (0.0≤x≤0.5) particles

Journal article published in 2010 by R. P. Pant, Manju Arora, Balwinder Kaur, Vinod Kumar, Ashok Kumar
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Nanoparticles of CoGdxFe2−xO4 (where x=0.0, 0.1, 0.3, 0.5) series have been prepared by chemical co-precipitation. The effect of Gd3+ ion concentration on crystalline phase, crystallinity, crystallite size, molecular vibrations and magnetic resonance has been investigated in detail. The crystallinity decreases with an increase in Gd3+ ion concentration and changes the structural parameters. The spin lattice relaxation has been correlated with the doping ion concentration. Similarly, the superparamagnetic behavior of these particles has been observed with EPR spectroscopy.