NDLI: Investigation on magnetoelectric and dielectric properties of Co$_{0.9}$Mn$_{0.3}$Fe$_{1.8}$O$_{4}$–Sr$_{0.5}$Ba$_{0.5}$Nb$_{2}$O$

Content Provider	Springer Nature Link
Author	Jigajeni, S. R. Sutar, M. M. Salunkhe, S. M. Joshi, P. B.
Copyright Year	2012
Abstract	The present paper reports the dielectric and magnetoelectric properties of Mn substituted yCo$_{1.2−x}$Mn$_{x}$Fe$_{1.8}$O$_{4}$ (CMFO) and (1 − y) Sr$_{0.5}$Ba$_{0.5}$Nb$_{2}$O$_{6}$ (SBN) ME composites. The composites are formed with three weight percent of Bi$_{2}$O$_{3}$ as sintering aid. The Co$_{1.2−x}$Mn$_{x}$Fe$_{1.8}$O$_{4}$ is initially studied for variation of electrical resistivity ρ, saturation magnetization Ms, permeability μ, coercive field Hc and coefficient of magnetostriction λ to determine a composition suitable to form a ME composite. Here x = 0.3 is observed to posses optimal value of ρ, Ms, μ, Hc and λ, therefore the composites are formed using Co$_{0.9}$Mn$_{0.3}$Fe$_{1.8}$O$_{4}$. The composites y MSBN = y CMFO + (1 − y) SBN are synthesized and investigated for their structural, dielectric and magnetoelectric properties. The dielectric constant of composites is observed to exhibit contribution due to interfacial polarization as well as a contribution due to the SBN phase. The variation of linear magnetoelectric coefficient α and quadratic magneto electric coefficient β for varies compositions are reported in this paper. The paper also repots the effect of sintering temperature and variation of frequency on the magnitude of α and β. It is observed that the use of sintering aid increases the magnetoelectric output of the MSBN composites. The samples with y = 0.4 is observed to show sufficiently large and useful magnitude of magnetoelectric coefficients.
Starting Page	1678
Ending Page	1687
Page Count	10
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	23
Issue Number	9
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2012-02-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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