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Title: Phase formation and dielectric properties of Ge doped (Bi 0.5Na0.5)TiO3 ceramics
Authors: Orawan Khamman
Authors: Orawan Khamman
Keywords: Materials Science;Physics and Astronomy
Issue Date: 2-Jan-2014
Abstract: Ge doped (Bi0.5Na0.5)TiO3ceramics, (Bi0.5Na0.5)Ti1-xGexO3(BNTG, x = 0, 0.05, 0.10, 0.15 and 0.2), were prepared by using a solid-state method. The crystal structure of the ceramics was investigated by X-ray diffraction method. It was found that, under suitable conditions, all compositions can form single perovskite phase with rhombohedral symmetry. The grain size and morphology of the ceramics were examined by SEM. The average grain size of the ceramics was found to decrease with increasing Ge content. The dielectric constant was measured as a function of both temperature and frequency. All samples exhibited a relaxor ferroelectric behavior. © 2014 Copyright Taylor and Francis Group, LLC.
ISSN: 15635112
Appears in Collections:CMUL: Journal Articles

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