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Broad-band dielectric spectroscopy on morpholine/n-butanol liquid mixtures

U Kaatze, A Nagel and M Schafer

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At 30 degrees C the complex (dielectric) permittivity of the system morpholine/n-butanol has been measured as a function of frequency nu (5*104 Hz<or=N4*1010 Hz) and mole fraction x (0<or=x<or=1). Within the frequency range under consideration all liquids show a relaxation region with an underlying unsymmetrical distribution of relaxation times. The static permittivity, the characteristic dielectric relaxation time, and the width of the relaxation time distribution function are discussed. Other than what is expected on the grounds of recent permittivity measurements at 100 kHz no unusual properties are found for the binary mixtures.


PACS

77.22.Ch Permittivity (dielectric function)

61.25.Em Molecular liquids

77.22.Gm Dielectric loss and relaxation

61.20.Gy Theory and models of liquid structure

Subjects

Soft matter, liquids and polymers

Condensed matter: electrical, magnetic and optical

Dates

Issue 26 (1 July 1991)



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