NDLI: Improved magneto-electric response in Na$_{0.5}$Bi$_{0.5}$TiO$_{3}$–MnFe$_{2}$O$

Content Provider	Springer Nature Link
Author	Praveena, K. Varma, K. B. R.
Copyright Year	2013
Abstract	Magneto-electric composites comprising Na$_{0.5}$Bi$_{0.5}$TiO$_{3}$ (NBT) and MnFe$_{2}$O$_{4}$ (MFO) were fabricated using their fine powders obtained via sol–gel method. X-ray diffraction and scanning electron microscopy results confirmed the single-phase formation of NBT and MFO and the composite nature when these were mixed and sintered at appropriate temperatures. The dielectric constant (ε$_{r}$) and dielectric loss (D) decreased with increase in frequency (40–110 MHz). Room temperature magnetization measurements established these composites to be soft magnetic. Further, the nature of these composites were established to be magneto-electric at 300 K. The highest ME response of 0.19 % was observed in 30NBT–70MFO composite. The ME coefficient (α) was 240 mV/cm Oe for the same composition. The present study demonstrated the effectiveness of NBT/MFO as a lead-free multiferroic composite and provides an alternative for environment-friendly ME device applications.
Starting Page	111
Ending Page	116
Page Count	6
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	25
Issue Number	1
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2013-10-29
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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