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Low-Temperature Synthesis, Characterization, and Properties of Lead-Based Ferroelectric Niobates

Sekar, Michael MA and Halliyal, Arvind (1998) Low-Temperature Synthesis, Characterization, and Properties of Lead-Based Ferroelectric Niobates. In: Journal of the American Ceramic Society, 81 (2). pp. 380-388.

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Abstract

Technologically important lead-based ferroelectric niobates of the type $A(B'B")O_3$ (where A is Pb, B' is Fe, Ni, Mg, or Zn, and B" is Nb), and their solid solutions with barium titanate and lead titanate, have been prepared via a solution combustion process that involves metal nitrates/oxalate and tetraformal trisazine (TFTA) at a temperature of 350°C. The thermal evolution of perovskite niobates has been investigated at different calcination temperatures. Particulate properties such as density, particle size, and surface area have been determined. Particles are fine (<1 μm) and are sinter active at low temperature (1050°C). Dielectric and piezoelectric properties of the lead-based ferroelectrics that have been prepared via the low-temperature method are reported.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Blackwell.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 12 Feb 2007
Last Modified: 27 Aug 2008 12:31
URI: http://eprints.iisc.ernet.in/id/eprint/9341

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