Analysis of complex dielectric spectra.: I.: One-dimensional derivative techniques and three-dimensional modelling

被引：495

作者：

Wübbenhorst, M ^{[1
]}

van Turnhout, J ^{[1
]}

机构：

[1] Delft Univ Technol, Dept Polymer Mat & Engn, NL-2628 BL Delft, Netherlands

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2002年 / 305卷 / 1-3期

关键词：

D O I：

10.1016/S0022-3093(02)01086-4

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：40 / 49

页数：10

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