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MICROSTRUCTURAL DEPENDENCE OF MAGNETIC PROPERTIES OF Sb^5^+ SUBSTITUTED LITHIUM FERRITES
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- 자료유형학술지논문
- 저자명Meher, M.V.K.,Samatha, K.,Ramesh, K.V.,Kumar, A.S.
- 학회/출판사/기관명World Scientific Publishing
- 출판년도2012
- 언어영어
- 학술지명/학위논문주기International Journal of Modern Physics B
- 발행사항Vol.26No.32[2012]_x000D_
- ISBN/ISSN
- 소개/요약This paper reports the influence of antimony substitution on the magnetic properties of Lithium ferrite sintered at 1200°C. The samples with compositional formula [ Li0.5+xSbxFe2.5-2x]O4 (where x = 0.0, 0.1, 0.3, 0.6, 0.8 and 1.0) were prepared by standard ceramic route method. The Curie temperature (Tc) was found to be highest at 720°C for x = 0 compound and decreased with increasing x (i.e., Sb5+ substitution). Saturation magnetization, coericivity, remanent magnetization were studied as a function of Sb content and grain size. The results of initial permeability showed anomalous variations as x varied from 0.0 to 1.0. The maximum initial permeability was observed for x = 0.3 compound. The morphological studies were performed by SEM and the mean diameter of the grain size of the samples was determined and showed correlation with magnetic properties.
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