DEVELOPED MAGNETIC PROPERTIES OF MO6+ SUBSTITUTED LITHIUM FERRITES
Journal Title: International Journal of Physics and Research (IJPR) - Year 2017, Vol 7, Issue 1
Abstract
The present study reports the developed magnetic properties of high valancy non–magnetic ion Mo6+ substituted lithium ferrites. The samples with compositional formula [Li (1+3y)/2MoyFe2.5-5y/2]O4 (where y = 0.05 to 0.5 in steps of 0.05) were prepared by standard Ceramic method and sintered at1200 oC. The Curie Temperatures (Tc) were measured and found gradually decreasing up to y=0.25 from where again the Curie Temperature gradually increased to maximum 702oC (highest) at y = 0.5.Saturation magnetization, Coericivity, remanent magnetization were studied as a function of composition. Saturation magnetization is found to maximum 67.4 emu/gm at y = 0.05 then decreasing gradually up to y= 0.25 then again gradually increasing with continuous increasing of molybdenum. Saturization magnetization and Curie temperature showing direct relation and saturation magnetization is inversely proportional to coericivity. Initial permeability also increased maximum up to y = 0.10 then decreases continuously increasing with Molybdinum.
Authors and Affiliations
M. V. K. MEHAR, A. KOTI BABU, D. L. SASTRY
Keywords
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