Radiometric Studies of Leakage Currents in Dielectrics

A new experimental method for measuring leakage currents (conduction currents) in dielectrics, based on the analysis of the dynamics of sample temperature variation under an electric field is proposed. The temperature response of the sample is recorded with high accuracy and speed using a non-contac...

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Bibliographic Details
Published in:Physics of the solid state 2021-06, Vol.63 (6), p.932-936
Main Authors: Sotnikova, G. Yu, Gavrilov, G. A., Muratikov, K. L., Passet, R. S., Smirnova, E. P.
Format: Article
Language:English
Subjects:
Analysis
Ceramic materials
Ceramics
Dielectrics
Electric contacts
Electric fields
Electric properties
Leakage current
Measurement
Measurement methods
Photodiodes
Physics
Physics and Astronomy
Radiation
Sensors
Solid State Physics
Temperature sensors
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Description
Summary:A new experimental method for measuring leakage currents (conduction currents) in dielectrics, based on the analysis of the dynamics of sample temperature variation under an electric field is proposed. The temperature response of the sample is recorded with high accuracy and speed using a non-contact photodiode IR-temperature sensor. The method capability is demonstrated on 0.65PbFe 2/3 W 1/3 O 3 –0.35PbTiO 3 (PFW–PT) ceramics samples for which experimental dependences of the conductivity are measured in a wide temperature range from 20 to 110°C.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783421060226