Investigation on magnetoelectric and dielectric properties of Co Mn Fe O -Sr Ba Nb O composites
Journal of Materials Science: Materials in Electronics, ISSN: 0957-4522, Vol: 23, Issue: 9, Page: 1678-1687
2012
- 19Citations
- 4Captures
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Article Description
The present paper reports the dielectric and magnetoelectric properties of Mn substituted yCo Mn Fe O (CMFO) and (1 - y) Sr Ba Nb O (SBN) ME composites. The composites are formed with three weight percent of Bi2O3 as sintering aid. The Co Mn Fe O 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 Mn Fe O . 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. © Springer Science+Business Media, LLC 2012.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84864883974&origin=inward; http://dx.doi.org/10.1007/s10854-012-0646-4; http://link.springer.com/10.1007/s10854-012-0646-4; http://link.springer.com/content/pdf/10.1007/s10854-012-0646-4; http://link.springer.com/content/pdf/10.1007/s10854-012-0646-4.pdf; http://link.springer.com/article/10.1007/s10854-012-0646-4/fulltext.html; https://dx.doi.org/10.1007/s10854-012-0646-4; https://link.springer.com/article/10.1007/s10854-012-0646-4; http://www.springerlink.com/index/10.1007/s10854-012-0646-4; http://www.springerlink.com/index/pdf/10.1007/s10854-012-0646-4
Springer Science and Business Media LLC
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