Effect of Nb doping on the morphology and multiferroic behavior of Bi0.9La0.1FeO3 ceramics
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- 作者：V.A. Khomchenko ; uladzimir@fis.uc.pt" class="auth_mail" title="E-mail the corresponding author ; J.A. Paixã ; o
- 关键词：BiFeO3 ; Multiferroics ; Lattice defects ; Spin-cycloid instability ; Ferroelectric domains
- 刊名：Materials Letters
- 出版年：2016
- 出版时间：15 April 2016
- 年：2016
- 卷：169
- 期：Complete
- 页码：180-184
- 全文大小：1933 K
文摘
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Multiferroic behavior of the Bi0.9La0.1Fe1−xNbxO3+x (x≤0.02) ceramics was studied.
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The compounds crystallize with a polar rhombohedral structure.
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Nb doping results in decreasing the size of crystal grains and ferroelectric domains.
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The doping induces antiferromagnetic-weak ferromagnetic transformation.
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The magnetic and morphological changes can be understood as lattice defects-driven.