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Cited by 379

The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.

Unfolding grain size effects in barium titanate ferroelectric ceramics

Open access
Tan, Yongqiang, Zhang, Jialiang, Wu, Yanqing, Wang, Chunlei, Koval, Vladimir, Shi, Baogui, Ye, Haitao, McKinnon, Ruth, Viola, Giuseppe, Yan, Haixue·2015·Scientific Reports
DOI 10.1038/srep09953
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Abstract

Grain size effects on the physical properties of polycrystalline ferroelectrics have been extensively studied for decades; however there are still major controversies regarding the dependence of the piezoelectric and ferroelectric properties on the grain size. Dense BaTiO 3 ceramics with different grain sizes were fabricated by either conventional sintering or spark plasma sintering using micro- and nano-sized powders. The results show that the grain size effect on the dielectric permittivity is nearly independent of the sintering method and starting powder used. A peak in the permittivity is observed in all the ceramics with a grain size near 1 μm and can be attributed to a maximum domain wall density and mobility. The piezoelectric coefficient d33 and remnant polarization Pr show diverse grain size effects depending on the particle size of the starting powder and sintering temperature. This suggests that besides domain wall density, other factors such as back fields and point defects, which influence the domain wall mobility, could be responsible for the different grain size dependence observed in the dielectric and piezoelectric/ferroelectric properties. In cases where point defects are not the dominant contributor, the piezoelectric constant d33 and the remnant polarization Pr increase with increasing grain size.

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Metadata

Authors
Tan, Y., Zhang, J., Wu, Y., Wang, C., Koval, V., Shi, B., Ye, H., McKinnon, R., Viola, G., & Yan, H.
Venue
Scientific Reports
Publisher
Springer Science and Business Media LLC
Published
2015-05-07
Volume
5
Issue
1
Pages
9953-9953
ISSN
2045-2322 (ISSN-L)
DOI
10.1038/srep09953
OpenAlex
W632068949
Cited by
379
References
31
FWCI
12.26
Type
journal article
Language
en
Open access
gold

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