NDLI: Structural, spectroscopic and microwave characterizations of (Sm$_{0.5}$Y$_{0.5}$)Ti(Nb$_{1−x }$Ta$_{x}$)O$

Content Provider	Springer Nature Link
Author	Joseph, James T. Joseph, Shyla John, Annamma Thomas, J. K. Prasad, V. S. Solomon, Sam
Copyright Year	2010
Abstract	Microwave dielectric ceramics of the type (Sm$_{0.5}$Y$_{0.5}$)Ti(Nb$_{1−x }$Ta$_{x}$)O$_{6}$ were prepared for x = 0, 0.2, 0.4, 0.6, 0.8 and 1 through the conventional solid state ceramic route. The ball-milled compositions were calcined at 1,250 °C. The cylindrical pellets were sintered at temperatures between 1,385 and 1,450 °C. The densities were determined by Archimedes method. The structure was analyzed using X-ray diffraction method. The microwave dielectric properties of the polished pellets were measured using cavity resonator method. The morphological studies were done using Scanning Electron Microscopy and Transmission Electron Microscopy. The Raman spectra were recorded and analyzed to confirm the structural change. The photoluminescence spectra were also taken and the emission lines were identified. A correlation study was done among the measured properties and parameters. Most of the samples have high dielectric constant, high quality factor and low temperature coefficient of resonant frequency and hence suitable for microwave applications.
Starting Page	228
Ending Page	232
Page Count	5
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	22
Issue Number	3
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2010-04-17
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Characterization and Evaluation of Materials Optical and Electronic 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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