NDLI: Multiferroic Properties of (Bi$_{0.9}$Gd$_{0.1}$FeO)$_{1−x }$(BaTiO$_{3}$)$

Content Provider	Springer Nature Link
Author	Uniyal, Poonam Lotey, Gurmeet Singh Gautam, Anamol Verma, N. K. Yadav, K. L.
Copyright Year	2013
Abstract	Conventional solid-state reaction method has been employed for the synthesis of polycrystalline (Bi$_{0.9}$Gd$_{0.1}$FeO)$_{1−x }$(BaTiO$_{3}$)$_{ x }$ for x=0.1, 0.2 and 0.3, ceramics samples. The effect of BaTiO$_{3}$ content on the multiferroic properties of Gd-doped BiFeO$_{3}$ ceramics has been presented. Pure perovskite phase with high density has been obtained by optimizing the synthesis approach, calcination and sintering strategies. Structural analysis carried out using X-ray diffraction confirms the formation of desired morphotropic phase. The dielectric properties have been investigated at different concentration of BaTiO$_{3}$ as function of temperature, revealing that by increasing the BaTiO$_{3}$ content dielectric constant increases while dielectric losses decrease. Magnetic study shows that initially saturation magnetization increases with increase in BaTiO$_{3}$ content up to x=0.1; however, afterwards it decreases for higher concentration of BaTiO$_{3}$. According to ferroelectric measurements, PE loops (with low coercive field) are observed at room temperature. The remnant polarization (P $_{ r }$) has been found to be 0.169, 0.619 and 0.760 μC/cm$^{2}$, respectively, for samples with x=0.1, 0.2 and 0.3. Magnetoelectric coupling in as-synthesized samples has been indirectly deduced by an anomaly observed at magnetic transition temperature.
Starting Page	569
Ending Page	574
Page Count	6
File Format	PDF
ISSN	15571939
Journal	Journal of Superconductivity and Novel Magnetism
Volume Number	27
Issue Number	2
e-ISSN	15571947
Language	English
Publisher	Springer US
Publisher Date	2013-08-09
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ceramics Dielectric constant Ferromagnetism Ferroelectric Multiferroics Strongly Correlated Systems, Superconductivity Magnetism, Magnetic Materials Condensed Matter Physics Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Condensed Matter Physics

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