Composition‐dependent microstructure and electrical property of (1− x )SBN‐ x BNBT solid solutions | Zendy

He XiaoJuan | Zendy; Xie ZhongShuai | Zendy; Yuan Xin | Zendy; Li Ling | Zendy; Huang DaFang | Zendy; Tao ChunWei | Zendy; Wang RuiXue | Zendy; Hao Jigong | Zendy; Yuan Guoliang | Zendy; Zhang ShanTao | Zendy

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Composition‐dependent microstructure and electrical property of (1− x )SBN‐ x BNBT solid solutions

Author(s) -

He XiaoJuan,

Xie ZhongShuai,

Yuan Xin,

Li Ling,

Huang DaFang,

Tao ChunWei,

Wang RuiXue,

Hao Jigong,

Yuan Guoliang,

Zhang ShanTao

Publication year - 2020

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.17424

Subject(s) - solid solution , ferroelectricity , dielectric , materials science , microstructure , analytical chemistry (journal) , grain size , ceramic , mineralogy , crystallography , chemistry , composite material , metallurgy , optoelectronics , chromatography

In this study, (1− x )Sr 0.75 Ba 0.25 Nb 2 O 6 ‐ x [0.94Bi 0.5 Na 0.5 TiO 3 ‐0.06BaTiO 3 ] solid solution ceramics were prepared and investigated. The length‐diameter ratio of pillar‐like grain increased with increase in x , reaching maximum value of 10.5 at average length of 1.36 μm and diameter of 0.13 μm for x = 0.20. The maximum dielectric constant, temperature corresponding to the maximum dielectric constant, and saturated polarization decreased, respectively, from 507, 36°C, and 3.2 μC/cm 2 for x = 0 to 365, −61°C, and 2.0 μC/cm 2 fort x = 0.10, and then increased to 1167, 43°C, and 5.5 μC/cm 2 for x = 0.20. These results indicate the competitive effects of B‐site Ti 4+ and A‐site Ba 2+ on ferroelectricity.

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