Indian Journal of Pure and Applied Physics

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Study of Dielectric Relaxation and Hydrogen Bonding Interaction of 1, 4-Butanediol-1, 4-Dioxane Mixture Using TDR Technique


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1 School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra 431 606, India
 

The complex permittivity spectra of 1, 4-butanediol -1, 4-dioxane binary mixtures have been measured in the frequency range from 10MHz to 30GHz using the time domain reflectometry (TDR) technique. The complex permittivity spectra show the Cole-Davidson type relaxation. The static dielectric constant and relaxation time at various temperatures have been obtained from complex permittivity spectra by using the nonlinear least squares fit method. The orientation of electric dipoles and solute-solvent interaction in the liquid mixture was confirmed from the excess, Bruggeman, Kirkwood correlation factor and thermodynamic parameters.

Keywords

Complex Permittivity Spectra, TDR, Dielectric Constant, Relaxation Time, Kirkwood Correlation Factor, Thermodynamic Parameters.
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  • Study of Dielectric Relaxation and Hydrogen Bonding Interaction of 1, 4-Butanediol-1, 4-Dioxane Mixture Using TDR Technique

Abstract Views: 119  |  PDF Views: 103

Authors

Nitin P Garad
School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra 431 606, India
Shankar H Saknure
School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra 431 606, India
Ashwini G Gubre
School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra 431 606, India
Ashok C Kumbharkhane
School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra 431 606, India

Abstract


The complex permittivity spectra of 1, 4-butanediol -1, 4-dioxane binary mixtures have been measured in the frequency range from 10MHz to 30GHz using the time domain reflectometry (TDR) technique. The complex permittivity spectra show the Cole-Davidson type relaxation. The static dielectric constant and relaxation time at various temperatures have been obtained from complex permittivity spectra by using the nonlinear least squares fit method. The orientation of electric dipoles and solute-solvent interaction in the liquid mixture was confirmed from the excess, Bruggeman, Kirkwood correlation factor and thermodynamic parameters.

Keywords


Complex Permittivity Spectra, TDR, Dielectric Constant, Relaxation Time, Kirkwood Correlation Factor, Thermodynamic Parameters.

References