期刊名称:International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN:2347-6710
电子版ISSN:2319-8753
出版年度:2016
卷号:5
期号:5
页码:6681
DOI:10.15680/IJIRSET.2016.0505011
出版社:S&S Publications
摘要:Zinc substituted cobalt ferrite nanoparticles (Co1-xZnxFe2O4, with x = 0.0, 0.1, 0.2 and 0.3) wereprepared via chemical co precipitation method. The effect of zinc concentration on saturation magnetization and latticeparameter were investigated. The particle sizes of the as obtained samples were found to be 22 to 38 nm. The frequencybands near 598 cm-1 and 421 cm-1 are assigned to the tetrahedral and octahedral clusters which confirm the presence ofM-O stretching band in ferrites. The unit cell parameter ‘a’ increases linearly with increasing concentration of zinc dueto larger ionic radii of Zn2+ ion. It was found that this substitution allows tunable changes in the magnetic properties ofcobalt ferrite. Saturation magnetization increases as Zn substitution, thus tunable changes in magnetic properties ofcobalt ferrite are possible. Source of such behavior could be the variation of exchange interaction between thetetrahedral and the octahedral sites.