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Title: Phase and chemical characterization of perovskite nickel niobate ceramics fabricated via a precursor method
Authors: Laongnuan Srisombat
Orawan Khamman
Rattikorn Yimnirun
S. Supon Ananta
T. Randall Lee
Keywords: Biochemistry, Genetics and Molecular Biology
Materials Science
Physics and Astronomy
Issue Date: 1-Jan-2009
Abstract: Perovskite relaxor ferroelectric lead nickel niobate (PNN) ceramics were fabricated by using B-site precursor method, in which columbite-NiNb 2O6 was employed as key precursor. It has been found that optimization of sintering condition can successfully lead to highly dense PNN ceramics. Although XRD analysis revealed that the ceramics consist of pure perovskite phase, significant fluctuation in chemical composition, precipitation of unreacted precursor and the formation of unwanted phases were found via a combination between SEM EDX and XPS techniques.
ISSN: 01252526
Appears in Collections:CMUL: Journal Articles

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