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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 5, Issue 2, 2012 pp 78-85

Research Article

Synthesis And Characterization Of Lanthanum Doped Mg-Zn Ferrite Nanoparticles Prepared by SOL-GEL Method

R. U. Mullai1, P. Priyadharsini Pradeep2, G. Chandrasekaran*

*Department of physics, School of Physical, Chemical and Applied Sciences, Pondicherry University, Pondicherry 605014, INDIA.

1-2Department of Physics, Government Arts College, Thiruvannamalai-606 603.Tamil Nadu, INDIA.

Academic Editor: Dr. Aher K. .R.



The Ferrite compositions of La substituted Mg0.5Zn0.5LaxFe2-xO4 (x=0.0, 0.025, 0.05, 0.075, 0.1) are prepared using sol-gel citrate-nitrate. The as prepared powders are annealed at 600˚ c to improve structural and magnetic properties. The thermal behavior of ferrite from its gel is studied by using DSC and the structural and morphological studies of the ferrites have been investigated by using XRD, SEM-EDAX and FAR-IR respectively. The magnetic properties of the samples are studied using VSM at room temperatures. The samples are found to exhibit saturation magnetization. Lanthanum doped Mg-Zn ferrites are found to exhibit large relaxation which make them useful for microwave applications.