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Enhancing properties of lead-free ferroelectric BaTiO 3 through doping

Abstract : The substitution on either the A-or B-site of ferroelectric perovskites by aliovalent elements has a profound influence on their properties. Donor doping "softens" ferroelectrics, whereas acceptor doping "hardens" them. The charge compensation mechanisms are reviewed, as well as the models describing their effects. The focus of this review is doped-BaTiO 3 , a model lead-free ferroelectric. The effects of aliovalent doping on its dielectric, ferroelectric, and piezoelectric properties are reviewed and illustrated in the case of Cu (acceptor) doping.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-03720823
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Submitted on : Tuesday, July 12, 2022 - 11:18:40 AM
Last modification on : Friday, July 15, 2022 - 3:23:31 AM

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Zechao Li, Jiacheng Yu, Shenglan Hao, Pierre-Eymeric Janolin. Enhancing properties of lead-free ferroelectric BaTiO 3 through doping. Journal of the European Ceramic Society, Elsevier, 2022, 42 (12), pp.4693-4701. ⟨10.1016/j.jeurceramsoc.2022.05.023⟩. ⟨hal-03720823⟩

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