Dielectric Spectra of Barium Strontium Titanate Ceramic Thick Films Prepared by a Roll Casting Technique

Cheung, M. C.; Chan, Helen Lai Wa

doi:10.1080/00150190500315103

Cited by 1 publication

(2 citation statements)

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“…Therefore, in most cases one may consider ferroelectric characteristics of thin film -substrate systems. At the same time, materials with thickness of ∼100 µm, which can be obtained in a free state (without a substrate), are of independent interest [3,4,11]. It is worth noting that maximal pyroelectric sensitivity is observed in the specified range of thickness.…”

Section: Introductionmentioning

confidence: 99%

“…The high dielectric properties of these materials (low losses tan δ, high dielectric permittivity ε, etc.) and controllability of their parameters by external effects (in particular, by electric field) determine their intense application in storage elements, capacitors, microwave devices [1][2][3][4]. Besides, BST is one of the most perspective pyroelectric materials [5].…”

Section: Introductionmentioning

confidence: 99%

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Compositionally Graded BST Ceramics Prepared by Tape Casting

et al. 2009

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Graded ferroelectric ceramics based on barium strontium titanate solid solutions Ba 1−x Sr x TiO 3 (x = 0-0.3) was prepared by tape casting. Its microstructure and dielectric properties were investigated. A significant change of grain sizes was observed in the graded samples, decreasing with the increase of strontium concentration. The samples demonstrated high temperature stability of dielectric characteristics. In the ceramics with x varying from 0 to 0.3 the temperature coefficient of capacitance (TCC) did not exceed 10% in the range T =20-100 • C.

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Section: Introductionmentioning

confidence: 99%