Crystal Growth and Ferroelectric Properties of Superlattice-Structured Bi4Ti3O12-PbBi4Ti4O15 Single Crystals

Mariko Ikezaki; Yuji Noguchi; Keiichi Katayama; Masaru Miyayama

doi:10.4028/www.scientific.net/KEM.388.237

Paper Titles

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Fabrication and Electrical Properties of (Bi_1/2Na_1/2)TiO₃-BiAlO₃ Ferroelectric Ceramics
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Piezoelectric Properties and Depolarization Temperature of NaNbO₃-LiNbO₃ Lead-Free Piezoelectric Ceramics
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Crystal Growth and Ferroelectric Properties of Superlattice-Structured Bi₄Ti₃O₁₂-PbBi₄Ti₄O₁₅ Single Crystals
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Crystal Growth and Ferroelectric Properties in Bi_0.5Na_0.5TiO₃–BaTiO₃ Crystals
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Sintering and Dielectric Properties of Ba(Mg_1/3Ta_2/3)O₃ Particle Prepared by Spray Pyrolysis
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Design of Composite Electromagnetic Wave Absorber Made of Soft Magnetic Materials Dispersed and Isolated in Polystyrene Resin
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Crystal Growth and Ferroelectric Properties of Superlattice-Structured Bi₄Ti₃O₁₂-PbBi₄Ti₄O₁₅ Single Crystals

Abstract:

Superlattice-structured Bi4Ti3O12- PbBi4Ti4O15 single crystals were grown, and their properties of polarization hysteresis and leakage current along the a axis were investigated. Oxidation annealing led to a marked increase in leakage current, while annealing in N2 atmosphere yielded a marked decrease in leakage current at room temperature. These results show that electron hole is the dominant carrier for the leakage current. A well-saturated polarization hysteresis with a remanent polarization of 41 μC/cm2 was observed, which is suggested to originate from the peculiar ferroelectric displacement of Bi in the Bi2O2 layers.

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Key Engineering Materials (Volume 388)

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237-240

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.388.237

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Online since:

September 2008

Authors:

Mariko Ikezaki, Yuji Noguchi, Keiichi Katayama, Masaru Miyayama

Keywords:

Bismuth Layer Structured Ferroelectrics, Polarization Hysteresis, Single Crystal, Superlattice Structure

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