Structural and permeability characterization of Zn-Li ferrites | Zendy

Mosharraf Hosain Mesbah AHMED | Zendy; A. K. M. Akther Hossain | Zendy; Shamima Choudhury | Zendy

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Structural and permeability characterization of Zn-Li ferrites

Author(s) -

Mosharraf Hosain Mesbah AHMED,

A. K. M. Akther Hossain,

Shamima Choudhury

Publication year - 2018

Publication title -

turkish journal of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.169

H-Index - 26

eISSN - 1303-6122

pISSN - 1300-0101

DOI - 10.3906/fiz-1712-8

Subject(s) - spinel , crystallite , materials science , microstructure , sintering , permeability (electromagnetism) , analytical chemistry (journal) , grain size , scanning electron microscope , nuclear magnetic resonance , mineralogy , metallurgy , composite material , chemistry , physics , chromatography , biochemistry , membrane

Structural characterization and magnetic properties of Zn-substituted Li ferrites with composition ZnxLi0.45−x/2Fe2.55−x/2O4 (where x = 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5) were studied by varying sintering temperature TS (where TS = 1000, 1050, 1100, 1150, 1200, and 1250 ◦C) of the six samples. The single-phase cubic spinel structure was found by XRD patterns and scanning electron microscopy revealed the microstructure of all the samples. Permeability (real, μi and imaginary, μ ′′ i ) was found to increase with Zn substitution and also with sintering temperature. The real part of initial permeability (μi) was found to depend on the density and average grain sizes of the samples. It was also observed that increase of the real part of permeability was accompanied by decrease of resonance frequency (fr) , which confirms the Snoek relation for polycrystalline ferrites.

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