Document Detail

Synthesis and magnetic properties of hard-soft SRFe10Al2O19/NiZnFe2O4 ferrite nanocomposites.
MedLine Citation:
PMID:  24758015     Owner:  NLM     Status:  In-Process    
Pure phase exchange-coupled nanocomposites of hard-soft magnetic oxides, (hard) SrFe10Al2O19(-) (soft) Ni0.75Zn0.25Fe2O4 were prepared via autocombution method. Magnetic properties of the nanocomposites were assessed as a function of soft-phase content in the nanocomposite. A 40% increase in M(s) value was observed for nanocomposite with 30 Wt.% of the soft phase. A linear increase in M(r)/M(s) with soft-phase content indicates the presence of enhanced exchange-coupling between hard and soft phases of the nanocomposite. The highest M(r)/M(s) ratio of 0.68 was obtained for nanocomposite containing 30 Wt.% of the soft-phase. The observed reduction in coercieve field values of the nanocomposite with increase in soft-phase content is explained on the basis of competition between exchange and dipolar interaction between hard-soft and soft-soft phases of the nanocomposite.
B K Rai; L Wang; S R Mishra; V V Nguyen; J P Liu
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  14     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5272-7     Citation Subset:  IM    
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