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Dielectric behaviors and electrical properties of Gd-doped Aurivillius KBi4Ti4O15 ceramics

  • 24-07-2020
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Abstract

Gd-doped Aurivillius KBi4Ti4O15 ceramics were prepared via conventional solid-state method for the first time. Dielectric behaviors and electrical properties were probed via dielectric and impedance spectroscopies. A single relaxation behavior due to bulk contribution was observed in the Gd0.5K0.5Bi4Ti4O15 ceramics. Phase transition was noted at ~ 560 °C. Kinetic analysis was carried out to probe conductivity and dielectric relaxation in the GKBT ceramics. The study elucidated the contributions of defect-conduction-relaxation behaviors. These types of Aurivillius compounds have fascinating industrial applications in piezoelectric devices at high temperatures and frequencies and in dielectric capacitors. It is essential to understand the electrical behaviors for modification process in future to enhance the performance properties of electronic ceramics.

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Title
Dielectric behaviors and electrical properties of Gd-doped Aurivillius KBi4Ti4O15 ceramics
Authors
Fida Rehman
Jing-Bo Li
Yasir Saeed
Pervaiz Ahmad
Publication date
24-07-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 17/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04030-1
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