Crystal Growth and Characterization of (Bi0.5Na0.5)TiO3-BaTiO3 Single Crystals Obtained by the Top-Seeded Solution Growth Method under High-Pressure Oxygen Atmosphere

Hiroaki Onozuka; Yuuki Kitanaka; Yuji Noguchi; Masaru Miyayama

doi:10.4028/www.scientific.net/KEM.566.25

Paper Titles

Influence of Film Texture on Reliability of Sol-Gel Derived PZT Thin-Film Capacitors
p.7

Polarization Mechanism of Fine-Grained BaTiO₃ Ceramics at High Temperature Region
p.12

Change in Electric Field Distribution in Non-Reducing BaTiO₃ Based-Dielectric Layer Loaded at High Temperature
p.16

Relation between Electro-Optic Effect and Dielectric Permittivity of Ba_0.5Sr_0.5TiO₃ Thin Films
p.20

Crystal Growth and Characterization of (Bi_0.5Na_0.5)TiO₃-BaTiO₃ Single Crystals Obtained by the Top-Seeded Solution Growth Method under High-Pressure Oxygen Atmosphere
p.25

Ferroelectric Properties and Domain Clamping of (Bi_0.5Na_0.5)TiO₃ Single Crystals Grown under High-Oxygen-Pressure Atmosphere
p.29

Grain Size Dependence of the Microstructure and Dielectric Properties of Potassium Niobate-Barium Titanate Ceramics
p.34

Preparation of Barium Titanate Porous Ceramics and their Piezoelectric Power Generation Property
p.41

Effect of Hydrothermal Treatment on the Piezoelectric Response of Oriented Barium Titanate Ceramics
p.45

HomeKey Engineering MaterialsKey Engineering Materials Vol. 566Crystal Growth and Characterization of...

Crystal Growth and Characterization of (Bi_0.5Na_0.5)TiO₃-BaTiO₃ Single Crystals Obtained by the Top-Seeded Solution Growth Method under High-Pressure Oxygen Atmosphere

Abstract:

A single crystal of ferroelectric 0.88(Bi,Na)TiO₃0.12BaTiO₃ (BNTBT) solid solution with tetragonal P4mm structure was grown by the top-seeded solution growth (TSSG) method at a high oxygen pressure (PO₂) of 0.9 MPa. The crystals grown by the high-PO₂ TSSG method exhibited a large remanent polarization (P_r) of 54 μC/cm², which leads to a spontaneous polarization of 54 μC/cm². The large P_r compared with that of crystals grown at PO₂ = 0.1 MPa is suggested to originate from a low oxygen vacancy concentration for the crystals grown at a higher PO₂. The high-PO₂ TSSG method was demonstrated to be effective for obtaining BNTBT crystals with superior polarization and piezoelectric properties.

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Key Engineering Materials (Volume 566)

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25-28

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https://doi.org/10.4028/www.scientific.net/KEM.566.25

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July 2013

Authors:

Hiroaki Onozuka, Yuuki Kitanaka, Yuji Noguchi, Masaru Miyayama

Keywords:

(Bi,Na)TiO₃, BaTiO₃, BNT-BT, Ferroelectric, Single Crystal, Top-Seeded Solution Growth (TSSG) Method

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