Dielectric Relaxation Spectroscopy of Esters Using Time Domain Reflectometry

The principal objective is to determine and study the dielectric relaxation characteristics of primary and secondary acetates such as Methyl Acetate, Ethyl Acetate, Isopropyl Acetate, n-Butyl Acetate and Amyl Acetate with complex permittivity spectra (CPS), which has been measured in 0.1 < ν/GHz...

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Bibliographic Details
Published in:Russian journal of physical chemistry. B 2023-08, Vol.17 (4), p.990-995
Main Authors: Birajdar, S. S., Deshmukh, A. R., Kumbharkhane, A. C., Suryawanshi, D. B.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Complex permittivity
Correlation coefficients
Dielectric relaxation
Electric and Magnetic Properties of Materials
Esters
Ethyl acetate
Frequency ranges
Permittivity
Physical Chemistry
Reflectometry
Relaxation time
Temperature dependence
Time domain analysis
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Summary:The principal objective is to determine and study the dielectric relaxation characteristics of primary and secondary acetates such as Methyl Acetate, Ethyl Acetate, Isopropyl Acetate, n-Butyl Acetate and Amyl Acetate with complex permittivity spectra (CPS), which has been measured in 0.1 < ν/GHz < 50 frequency range using Time Domain Reflectometry and fitted to Debye model. Static dielectric permittivity, relaxation time and Kirkwood correlation factor have been determined using non-linear least squares fit method. Association of molecule and chain length affects on dielectric relaxation process in esters. The Arrhenius behavior has been revealed by means of temperature dependent value of relaxation time.
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793123040036