Effects of Ba and Ti Codoping on Stoichiometric and Nonstoichiometric BiFeO3 Multiferroic Ceramics

Xi Zhou; Yao Xiong; Yu Chong Pei; Wan Ping Chen

doi:10.4028/www.scientific.net/MSF.815.154

Paper Titles

Effect of Ag Addition on Growth of the Interfacial Intermetallic Compounds between Sn-0.7Cu Solder and Cu Substrate
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Ferroelectric and Photovoltaic Properties of Mn-Doped Bismuth Ferrite Thin Films
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Magnetic Properties and Unusual Morphologies of Barium Ferrites Prepared by Electrospinning and Sol-Gel Auto-Combustion Method
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Effects of Sm and Mn Co-Doping on Structural and Optical Properties of BiFeO₃ Thin Films Prepared by Sol-Gel Technique
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Effects of Ba and Ti Codoping on Stoichiometric and Nonstoichiometric BiFeO₃ Multiferroic Ceramics
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A Review on the Characteristics of the New Multiferroic Three-Ply Structure Ferroelectric-Ferromagnetic Nanocomposite
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Preparation of LSMO/PLZT Composite Film by Sol-Gel Technique and its Ferroelectric and Ferromagnetic Properties
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Microstructure and Properties of A-Site Doping Bi₄_-_xY_xTi₃O₁₂ Ferrroelectric Thin Films
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Enhancement of Oxygen Vacancies Induced Photovoltaic Effects in Bi_0.9La_0.1FeO₃ Thin Films
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HomeMaterials Science ForumMaterials Science Forum Vol. 815Effects of Ba and Ti Codoping on Stoichiometric...

Effects of Ba and Ti Codoping on Stoichiometric and Nonstoichiometric BiFeO₃ Multiferroic Ceramics

Abstract:

Bi_0.9Ba_0.1Fe_0.95O₃and Bi_0.9Ba_0.1Fe_xTi_0.05O₃(x=0.95, 0.925, 0.90) ceramics were prepared through conventional solid state reactions. X-ray diffraction analyses indicated that a high content of perovskite phase was obtained for all the four compositions. While the three (Ba,Ti)-codoped compositions all showed a higher resistivity than Bi_0.9Ba_0.1Fe_0.95O₃, and Bi_0.9Ba_0.1Fe_0.925Ti_0.05O₃had the best electrical and dielectric properties among the three (Ba,Ti)-codoped compositions, including the largest dielectric constant, the smallest dielectric loss at low frequency range, and the highest electrical resistivity. Magnetic hysteresis loop measurement revealed that the four compositions had similarly enhanced magnetic properties. It is concluded that much attention should be paid to fine composition adjustment when multiple elements are co-doped to BiFeO₃system.

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Materials Science Forum (Volume 815)

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154-158

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https://doi.org/10.4028/www.scientific.net/MSF.815.154

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March 2015

Authors:

Xi Zhou, Yao Xiong, Yu Chong Pei, Wan Ping Chen

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BiFeO₃, Doping, Multiferroic, Nonstoichiometric

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