Large nonlinear dielectric behavior in BaTi1-xSnxO3

Pengrong Ren, Zicheng Liu, Qian Wang, Biaolin Peng, Shanming Ke, Huiqing Fan, Gaoyang Zhao

科研成果: 期刊稿件文章同行评审

32 引用 (Scopus)

摘要

BaTi1-xSnxO3 (BTSn, 0 ≤ x ≤ 0.30) ceramics were prepared by both the conventional sintering (CS) and sparking plasma sintering (SPS). Composition, temperature and grain size dependences of the nonlinear dielectric behaviors were systematically studied. BTSn was found to have especially large tunability (≥90%), which is larger than most other Pb-free systems, and is comparable to Pb-based relaxors. The high dielectric tunability in BTSn is attributed to its specific domain structures. Besides, temperature dependent tunability of BTSn presents a dispersed behavior and the dispersion is enhanced with the increase of Sn4+ concentrations, which is explained by the compositional fluctuation model.

源语言英语
文章编号6693
期刊Scientific Reports
7
1
DOI
出版状态已出版 - 1 12月 2017

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