Title: Analysis of complex dielectric spectra. I. One-dimensional derivative techniques and three-dimensional modelling
Authors: W├╝bbenhorst, Michael ×
van Turnhout, J #
Issue Date: Jul-2002
Publisher: North-Holland
Series Title: Journal of non-crystalline solids vol:305 issue:1-3 pages:40-49
Abstract: Several strategies for the analysis of isochronal and isothermal spectra as well as complete three-dimensional (313) spectra are outlined and applied to data of (glass forming) liquids and polymers. Conduction-free loss spectra are calculated using a compact solution of the Kramers-Kronig transformation and an approximation based on partial derivativeepsilon'/partial derivative In omega. The usefulness of the dielectric modulus for data analysis is also evaluated. Apart from partial derivativeepsilon'/partial derivative In omega. other useful derivatives in the frequency and temperature domain are treated as well. Finally, we describe the evaluation of 3D-relaxation maps by means of 3D fitting. (C) 2002 Elsevier Science B.V. All rights reserved.
ISSN: 0022-3093
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
× corresponding author
# (joint) last author

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