Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives

S. Agrawal, James R. Berninghausen, Jiping Cheng, Ruyan Guo, Dinesh Kumar Agrawal, A. S. Bhalla

Research output: Contribution to journalArticle

Abstract

(Ba 1-xSr x)TiO 3 composites were prepared with MgO and other oxide additives and the dielectric and pyroelectric properties were studied. The composites were prepared with different weight ratios of BST and oxide material and sintered in a microwave furnace for rapid heating. Dielectric properties were studied in the range of 50 K to 300 K with different bias conditions. The low dielectric constant & losses and high tunability were observed with different oxide additives. Pyroelectric measurements were made under different poling conditions and electric field. An interesting behavior in structure-dielectric properties relationship was observed with the addition of oxides in BST powder. Tunable dielectric properties and figure of merit is also discussed.

Original languageEnglish (US)
Pages (from-to)173-177
Number of pages5
JournalCeramic Transactions
Volume174
StatePublished - 2006

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Oxides
Dielectric properties
Composite materials
Powders
Furnaces
Permittivity
Microwaves
Electric fields
Heating

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

Agrawal, S., Berninghausen, J. R., Cheng, J., Guo, R., Agrawal, D. K., & Bhalla, A. S. (2006). Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives. Ceramic Transactions, 174, 173-177.
Agrawal, S. ; Berninghausen, James R. ; Cheng, Jiping ; Guo, Ruyan ; Agrawal, Dinesh Kumar ; Bhalla, A. S. / Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives. In: Ceramic Transactions. 2006 ; Vol. 174. pp. 173-177.
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Agrawal, S, Berninghausen, JR, Cheng, J, Guo, R, Agrawal, DK & Bhalla, AS 2006, 'Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives', Ceramic Transactions, vol. 174, pp. 173-177.

Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives. / Agrawal, S.; Berninghausen, James R.; Cheng, Jiping; Guo, Ruyan; Agrawal, Dinesh Kumar; Bhalla, A. S.

In: Ceramic Transactions, Vol. 174, 2006, p. 173-177.

Research output: Contribution to journalArticle

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T1 - Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives

AU - Agrawal, S.

AU - Berninghausen, James R.

AU - Cheng, Jiping

AU - Guo, Ruyan

AU - Agrawal, Dinesh Kumar

AU - Bhalla, A. S.

PY - 2006

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AB - (Ba 1-xSr x)TiO 3 composites were prepared with MgO and other oxide additives and the dielectric and pyroelectric properties were studied. The composites were prepared with different weight ratios of BST and oxide material and sintered in a microwave furnace for rapid heating. Dielectric properties were studied in the range of 50 K to 300 K with different bias conditions. The low dielectric constant & losses and high tunability were observed with different oxide additives. Pyroelectric measurements were made under different poling conditions and electric field. An interesting behavior in structure-dielectric properties relationship was observed with the addition of oxides in BST powder. Tunable dielectric properties and figure of merit is also discussed.

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Agrawal S, Berninghausen JR, Cheng J, Guo R, Agrawal DK, Bhalla AS. Dielectric and pyroelectric behavior of (Ba 1-xSr x)TiO 3 composites with oxide additives. Ceramic Transactions. 2006;174:173-177.