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HomeMaterials Science ForumMaterials Science Forum Vol. 555Dielectric and Ferroelectric Properties of...

Dielectric and Ferroelectric Properties of BaTi_1-xSn_xO₃ Multilayered Ceramics

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Abstract:

Multilayered BaTi1-xSnxO3 (BTS) ceramics with different Ti/Sn ratios were produced by pressing and sintering at 1420 oC for 2 hours. X-ray diffractometry, scanning electron microscopy and energy dispersive spectroscopy were used for structural, microstructural and elemental analysis, respectively. The dielectric and ferroelectric behavior of sintered samples was studied, too. It is found that in ingredient materials, with increasing Sn content, the tetragonality decreases; Curie temperature moves towards room temperature, while the maximum of the dielectric constant increases, and also, they becomes less hysteretic. It is noticed that multilayered BTS ceramics with different Ti/Sn contents have a broad transition temperature and show a relatively high dielectric constant in a wide temperature range. It is shown that dielectric properties of these materials may be modified by a combination of different BTS powders as well as layers number.

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Periodical:

Materials Science Forum (Volume 555)

Pages:

249-254

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.555.249

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Cite this paper

Online since:

September 2007

Authors:

S. Marković, M. Mitrić, Č. Jovalekić, M. Miljković

Keywords:

BaTi_1-xSn_xO₃, Dielectric Property, Ferroelectric Property, Multilayered Ceramics

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