Dielectric relaxation in Ba0.96Bi0.04Ti0.96Fe0.04O3

Dielectric relaxation in Ba0.96Bi0.04Ti0.96Fe0.04O3

Samples of Ba0.96Bi0.04Ti0.96Fe0.04O3 were prepared by a solid state reaction method. Data on the dielectric constant as a function of temperature and frequency were obtained in the temperature range 35–180 °C at 10 and 100 kHz. The material shows a diffuse phase transition. With increasing frequenc...

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Veröffentlicht in:Journal of applied physics 1998-12, Vol.84 (12), p.6811-6814
Hauptverfasser: Kumar, M. Mahesh, Suresh, M. B., Suryanarayana, S. V., Kumar, G. S., Bhimasankaram, T.
Format: Artikel
Sprache:eng
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Zusammenfassung:Samples of Ba0.96Bi0.04Ti0.96Fe0.04O3 were prepared by a solid state reaction method. Data on the dielectric constant as a function of temperature and frequency were obtained in the temperature range 35–180 °C at 10 and 100 kHz. The material shows a diffuse phase transition. With increasing frequency, the transition temperature shifts towards lower temperature, resembling that of a relaxor ferroelectric with a negative shift in Tc. Impedance analysis confirms the relaxor behavior.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.368875