Phase diagram of (1-x%)(0.89Bi 0.5Na 0.5TiO 3-0.06BaTiO 3-0.05K 0.5Na 0.5NbO 3)-x%MnO 2 lead-free anti-ferroelectric ceramics

Feng Gao, Xianlin Dong, Chaoliang Mao, Fei Cao, Genshui Wang

科研成果: 期刊稿件文章同行评审

11 引用 (Scopus)

摘要

A phase diagram for the lead-free ceramics in the (1-x%)(0.89Bi 0.5Na 0.5TiO 3-0.06BaTiO 3-0.05K 0.5Na 0.5NbO 3)-x%MnO 2 (BNBKN-x%Mn) binary system is constructed for the first time based on the ferroelectric and dielectric measurements. The ferroelectric behaviors under different temperatures suggest that the ceramics are basically of relaxor anti-ferroelectric nature near room temperature. The temperature dependent dielectric properties show that when the addition of MnO 2 increases, the relaxor anti-ferroelectric phase can be stabilized to be close to the Curie point, which corresponds to a relaxor anti-ferroelectric to paraelectric phase transition.

源语言英语
页(从-至)1670-1672
页数3
期刊Solid State Communications
152
17
DOI
出版状态已出版 - 9月 2012
已对外发布

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