Grain growth in Na0.5Bi0.5TiO3-based solid solutions

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Author
Eglite, L.
Antonova, Maija
Birks, Eriks
Knite, Maris
Lavinsh, M.
Date
2019
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Abstract
This paper discusses effects of different dopants, sintering technique and parameters on microstructure and properties of pure and Yb, Er-doped Na0.5Bi0.5TiO3 (NBT). All stoichiometric compositions follow the abnormal grain growth mechanism (AGG) and exhibit a bimodal grain size distribution. Bi over-stoichiometry, two step sintering and hot pressing are effective inhibitors of AGG. Microstructure of sintered NBT greatly influences such properties as dielectric permittivity and depolarization temperature.
URI
https://dspace.lu.lv/dspace/handle/7/52980
DOI
10.1080/10584587.2019.1591971
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