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Title: Preparation and Properties of 0.9Ba(Fe<inf>0.5</inf>Ta<inf>0.5</inf>)O<inf>3</inf>-0.1BiFeO<inf>3</inf>Ceramics
Authors: Supalak Manotham
Sukum Eitssayeam
Kamonpan Pengpat
Tawee Tunkasiri
Denis Sweatman
Gobwute Rujijanakul
Keywords: Materials Science
Physics and Astronomy
Issue Date: 8-Oct-2015
Abstract: © 2015 Taylor & Francis Group, LLC. In this research, (0.9Ba(Fe0.5Ta0.5)O3-0.1BiFeO3), (0.9BFT-0.1BFO) ceramics were fabricated via a solid state reaction technique. All ceramic samples exhibited a pure perovskite phase with cubic symmetry, while the calcined powders presented an impurity phase. Microstructures analysis by scanning electron microscopy (SEM) indicated an increase in average grain size with increasing sintering temperature. Examination of dielectric spectroscopy showed that all ceramics had high dielectric constants. An improvement in loss tangent was observed for the 1100°C ceramic. The 1200°C ceramic showed the highest dielectric constants. In addition, all ceramics exhibited non-ferroelectric property.
ISSN: 15635112
Appears in Collections:CMUL: Journal Articles

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