High permeability of low loss Mn–Zn ferrite obtained by sintering nanoparticle Mn–Zn ferrite

Nanoparticle ferrite having general formulae Mn x Zn 1 - x Fe 2 O 4 with x = 0.35 / 0.40 / 0.45 / 0.55 / 0.60 / 0.65 were prepared using nitrilotriacetate precursor method. Production of fine grain size material at low temperature is the unique feature of this method. Bulk Mn x Zn 1 - x Fe 2 O 4 fer...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2006-10, Vol.305 (2), p.296-303
Main Authors: Keluskar, S.H., Tangsali, R.B., Naik, G.K., Budkuley, J.S.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electrical properties
Exact sciences and technology
Magnetic materials
Magnetic properties
Magnetic properties and materials
Magnetic properties of nanostructures
Physics
Sintering
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Summary:Nanoparticle ferrite having general formulae Mn x Zn 1 - x Fe 2 O 4 with x = 0.35 / 0.40 / 0.45 / 0.55 / 0.60 / 0.65 were prepared using nitrilotriacetate precursor method. Production of fine grain size material at low temperature is the unique feature of this method. Bulk Mn x Zn 1 - x Fe 2 O 4 ferrite material produced by sintering nanoparticles 950 / 1050 / 1150 / 1250 / 1350 ∘ C progressively in nitrogen atmosphere showed high values for initial permeability. Scanning electron microscopy and transmission electron microscopy were especially employed in order to elucidate the microstructure and understand the dependence of permeability and relative loss factor on the material grain size.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.01.018