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Synthesis of high permeability Cu-Mg-Zn ferrites using oxalate precursors

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Title Synthesis of high permeability Cu-Mg-Zn ferrites using oxalate precursors
 
Creator BHOSALE, DN
CHOUDHARI, ND
SAWANT, SR
KALE, RD
BAKARE, PP
 
Subject thermal-decomposition
manganese
cu-mg-zn ferrites
ferritization temperature
high permeability ferrites
synthesis of ferrites
 
Description We have synthesized Cu-Mg-Zn ferrites by using soft chemistry routes using oxalate precursors. Thermogravimetry (TG) studies have been carried out for selecting decomposition temperatures and weight loss measurements, These studies reveal that in all the samples, decomposition occurs in two stages, The lattice parameters show a gradually decreasing trend with increasing Mg2+ content which is attributed to ionic radii of Cu2+ and Mg2+. The variation in saturation magnetization is attributed to cation migration of Mg2+ ions to A-site. The density of samples increases gradually with increasing Mg2+ content. This is attributed to the fact that Mg2+ ions have less ionic radii. The sample with x = 0.25 in MgxCu(0.5-x)Zn0.5Fe2O4 has the highest permeability (mu(i) = 2181) which is sufficiently higher than that reported for ETKMG-5 ferrite (mu(i) = 550).
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2011-08-01T17:32:19Z
2011-12-26T12:53:26Z
2011-12-27T05:39:05Z
2011-08-01T17:32:19Z
2011-12-26T12:53:26Z
2011-12-27T05:39:05Z
1998
 
Type Article
 
Identifier IEEE TRANSACTIONS ON MAGNETICS, 34(2), 535-541
0018-9464
http://dx.doi.org/10.1109/20.661487
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8498
http://hdl.handle.net/10054/8498
 
Language en