Slow Polarization Effect in Frequency Domain Measurement

Abstract

Abstract: Frequency domain and time domain dielectric measurement was taken for a Ba_0.5Sr_0.5-TiO₃ ceramics sample. In the frequencies from 10^-3Hz to 10⁴Hz, complex
dielectric constants were obtained. The result of time domain measurement indicates that slow dielectric constant is very large than fast dielectric constant.
The experiment shows that under the action of sinusoidal voltage, current flowing through the sample is mainly caused by the motion of slow polarization effect
that do not obey RLC circuit equation. Therefore, the physical meaning of complex dielectric constant turns to be a complex problem worthy of further discussion.

Key words: slow polarization effect, frequency domain, dielectric spectroscopy, BST

CLC Number:

O482

SHEN Han,WANG Wei-Lin,CHEN Min,LI Jing-De. Slow Polarization Effect in Frequency Domain Measurement[J]. Journal of Inorganic Materials.

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Slow Polarization Effect in Frequency Domain Measurement

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