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Paper Titles
Preface
Phase Transition and Structural Analysis of (Li,Na,K)NbO3 Lead-Free Piezoelectric Ceramics
p.3
Defect Structure and Electrical Property of Na0.5K0.5NbO3 Lead-Free Piezoceramics
p.9
Domain Wall Engineering in Lead-Free Piezoelectric Materials
p.13
Crystal Growth and Electrical Properties of Na0.5Bi0.5TiO3-BaTiO3 Lead-Free Ferroelectric Piezocrystals
p.17
Piezoelectric Properties of c-Axis-Oriented (Sr,Ca)2NaNb5O15 Piezoelectric Ceramics with Single-Plate Type and Multilayered Type Fabricated Using Crystal-Oriented Sheet Forming
p.21
Preparation and Characterization of Lead Free Multi-Layer Ceramic Actuators with Ni Inner Electrodes Prepared by Inkjet Printing
p.26
Growth and Characterization of Bismuth Magnesium Titanate Bi(Mg1/2Ti1/2)O3
p.30
Phase Diagram and Microstructure Analysis of Barium Titanate – Potassium Niobate System Piezoelectric Ceramics
p.34

Crystal Growth and Electrical Properties of Na0.5Bi0.5TiO3-BaTiO3 Lead-Free Ferroelectric Piezocrystals

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Abstract:

(1-x)(Na0.5Bi0.5)TiO3-xBaTiO3 (abbreviated as NBBT100(1-x)/100x or NBBT100x) solid solution single crystals with x=0, 0.06, 0.08, 0.10, 0.20, 1.0 were grown using top-seeded solution growth (TSSG) method. Dielectric, piezoelectric and ferroelectric properties of NBBT crystals were investigated as a function of temperature, frequency, composition and crystal orientation. The temperature (Tm) corresponding to dielectric maximum and the depolarization temperature (Td) decrease with increasing x. The <001> oriented NBBT90/10 single crystal shows excellent piezoelectric performance with piezoelectric constant (d33) value about 275pC/N and exhibits relatively smaller coercive field (Ec) of 2.49 kV/mm and dielectric loss tanδ of 2.9 %, indicating a more adaptive engineered domain structure.

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Periodical:

Key Engineering Materials (Volumes 421-422)

Pages:

17-20

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.421-422.17

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Online since:

December 2009

Authors:

Chao Chen, Xiang Yong Zhao, Hong Liu, Wen Wei Ge, Hao Su Luo, Xiang Ping Jiang

Keywords:

Crystal Growth, Lead-Free, NBBT Single Crystal, Piezoelectric Properties

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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