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Title: Electrical properties and phase transition of Ba(Zr<inf>0.05</inf>Ti<inf>0.95</inf>)<inf>1 - X</inf>(Fe<inf>0.5</inf>Ta<inf>0.5</inf>)<inf>x</inf>O<inf>3</inf>ceramics
Authors: C. Kruea-In
G. Rujijanagul
Keywords: Engineering
Materials Science
Physics and Astronomy
Issue Date: 1-Sep-2015
Abstract: © 2015 Elsevier Ltd. All rights reserved. In this work, properties of Ba(Zr0.05Ti0.95)1 - x(Fe0.5Ta0.5)xO3ceramics with 0.00x 0.07 were investigated. The ceramics were fabricated by a solid state reaction technique. X-ray diffraction analysis indicated that all samples exhibited single phase perovskite. Examination of the dielectric spectra revealed that the Fe and Ta additives promoted a diffuse phase transition, and the two phase transition temperatures, as observed in the dielectric curve of pure Ba(Zr0.05Ti0.95)O3, merged into a single phase transition temperature for higher x concentrations. The transformation was confirmed by ferroelectric measurements. In addition, the doped ceramics exhibited high relative dielectric tunability, especially for higher x concentration samples.
ISSN: 00255408
Appears in Collections:CMUL: Journal Articles

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