Characterization of Yttrium Iron Garnet/Barium Titanate Multiferroic Composites Prepared by Sol-Gel and Coprecipitation Methods

SCHILEO, Giorgio, FETEIRA, Antonio, REANEY, Ian M., POSTOLACHE, Petronel, MITOSERIU, Liliana and REICHMANN, Klaus (2014). Characterization of Yttrium Iron Garnet/Barium Titanate Multiferroic Composites Prepared by Sol-Gel and Coprecipitation Methods. International Journal of Applied Ceramic Technology, 11 (3), 457-467.

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Link to published version:: 10.1111/ijac.12244

Abstract

Ceramic composites based on yttrium iron garnet (YIG) and barium titanate (BT) (30%wt YIG/70%wt BT) were prepared by two sol-gel methods and a coprecipitation route. The impact of processing routes on dielectric and magnetic properties was investigated. X-ray diffraction (XRD) data combined with scanning electron microscopy (SEM) observations reveal the presence of both components and a good dispersion of YIG particles into the BT matrix. Ferrimagnetic behavior is observed in all composites, regardless of the preparation method. Ferroelectricity at room temperature was confirmed by Raman spectroscopy and dielectric measurements only in composites prepared by coprecipitation

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology
Identification Number: 10.1111/ijac.12244
Depositing User: Ann Betterton
Date Deposited: 16 Dec 2014 16:33
Last Modified: 16 Dec 2014 16:33
URI: http://shura.shu.ac.uk/id/eprint/9058

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