NDLI: Effect of microwave sintering on the structural, optical and electrical properties of BaTiO$

Content Provider	Springer Nature Link
Author	Vasudevan, R. Karthik, T. Selvakumar, D. Ganesan, S. Jayavel, R.
Copyright Year	2013
Abstract	BaTiO$_{3}$ nanoparticles were prepared by high energy ball milling and subjected to conventional and microwave post sintering at 1,000 °C. From the powder X-ray diffraction results, the synthesized material exhibits strong tetragonality with large c/a ratio. Scanning electron microscope results show the formation of tetragonal shaped BaTiO$_{3}$ crystals in the nanometer scale and a significant reduction in the particle size for the microwave sintered sample. The reduced d-spacing of 1.741 Å with high crystallinity for the microwave sintered material is revealed by high resolution transmission electron microscopy analysis. Ultraviolet–visible spectroscopy studies confirm the higher optical band gap (E$_{g}$) of 4.157 eV for the microwave sintered sample. Microwave sintered sample shows a very high dielectric constant of ε$_{r}$ = 4,445 with a low dielectric loss as tan δ = 0.0961. Microwave sintered sample exhibit a high polarization maximum of 73 μC/mm$^{2}$ with reduced coercivity to be 0.293 kV/mm.
Starting Page	529
Ending Page	537
Page Count	9
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	2013-12-04
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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