Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ceramint.2003.12.106
Title: Dielectric behaviors and phase separation in Pb(Ni1/2W 1/2)O3-PbTiO3
Authors: Gao, X.S. 
Xue, J.M. 
Ting, Y. 
Shen, Z.X. 
Wang, J. 
Keywords: E. Capacitor
Mechanical activation
Relaxor ferroelectrics
X7R
Issue Date: 2004
Source: Gao, X.S., Xue, J.M., Ting, Y., Shen, Z.X., Wang, J. (2004). Dielectric behaviors and phase separation in Pb(Ni1/2W 1/2)O3-PbTiO3. Ceramics International 30 (7) : 1361-1364. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ceramint.2003.12.106
Abstract: Relaxor ferroelectric phases of Pb(Ni1/2W1/2)O 3-PbTiO3 (PNW-PT) near the morphotropic boundary composition (MPB) were synthesized by sintering of the perovskite nanocrystallites derived from mechanical activation of constituent oxides. They demonstrate unique temperature stability in dielectric behavior over the wide temperature range of -80 to 60 °C, when sintered at 970 °C. Their dielectric behavior is strongly dependent on the sintering schedule and subsequent annealing at relatively low temperatures, due to phase segregation and evolution of compositional inhomogeneity, as confirmed by Raman spectroscopy and compositional mapping. © 2004 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
Source Title: Ceramics International
URI: http://scholarbank.nus.edu.sg/handle/10635/98668
ISSN: 02728842
DOI: 10.1016/j.ceramint.2003.12.106
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