Compensation of the temperature coefficient of the dielectric constant of barium strontium titanate

R. J. Cava, W. F. Peck, J. J. Krajewski, D. A. Fleming

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Abstract

We report a significant decrease in the temperature coefficient of the dielectric constant (TCK) for polycrystalline ceramics of barium-strontium- titanate through admixture with tetragonal bronze-type barium strontium niobate. For Ba0.5Sr0.5TiO3 ceramics, a 10% admixture of the niobate decreases TCK by a factor of 2.5 at 10 MHz, with negligible degradation of the dielectric loss; a 37.5% admixture decreases TCK by a factor of more than 100. Dielectric constants for the mixtures are in the range of 200-500.

Original languageEnglish (US)
Number of pages1
JournalApplied Physics Letters
Volume67
DOIs
StatePublished - Dec 1 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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