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Low‐Temperature Synthesis, Characterization, and Properties of Lead‐Based Ferroelectric Niobates
Author(s) -
Sekar Michael M. A.,
Halliyal Arvind
Publication year - 1998
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1998.tb02344.x
Subject(s) - materials science , calcination , ferroelectricity , dielectric , lead titanate , perovskite (structure) , barium titanate , mineralogy , sintering , oxalate , characterization (materials science) , chemical engineering , inorganic chemistry , nanotechnology , metallurgy , chemistry , optoelectronics , biochemistry , engineering , catalysis
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 in this paper.