JOURNAL ARTICLE

Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>- Pb(Ni<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-PbTiO<sub>3</sub> Crystals by Solid State Growth

Kepi ChenJin PanXiao Wen Zhang

Year: 2007 Journal:   Key engineering materials Vol: 336-338 Pages: 33-35   Publisher: Trans Tech Publications

Abstract

A small piece of <110> orientated relaxor-based ferroelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) single crystals was embedded in Pb(Mg1/3Nb2/3)O3-Pb(Ni1/3Nb2/3)O3-PbTiO3 (PMN-PNN-PT) polycrystalline matrix to form the fully dense disk by spark plasma sintering (SPS) technique. Specimens were subsequently annealed to promote the boundary migration of the template single-crystal through a process termed as solid-state single crystal growth. It was found that the addition of excess 5 wt% PbO can promote the crystal growth, and the 2D morphology with V-shaped single crystals of PMN-PNN-PT were also observed. The possible growth mechanism was discussed.

Keywords:
Spark plasma sintering Materials science Crystallite Crystallography Single crystal Sintering Ferroelectricity Crystal growth Crystal (programming language) Analytical Chemistry (journal) Mineralogy Chemistry Metallurgy Dielectric

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Topics

Ferroelectric and Piezoelectric Materials
Physical Sciences →  Materials Science →  Materials Chemistry
Acoustic Wave Resonator Technologies
Physical Sciences →  Engineering →  Biomedical Engineering
Microwave Dielectric Ceramics Synthesis
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
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