PL EN


Preferences help
enabled [disable] Abstract
Number of results
1995 | 88 | 2 | 359-367
Article title

Dielectric Study of Pure Polymer and Mixed Monomer-Polymer Single Crystals of pTS Diacetylene: a Comparison with Neutron Scattering Results

Content
Title variants
Languages of publication
EN
Abstracts
EN
Temperature and frequency dependences of the electric permittivity in mixed monomer-polymer single crystals of the diacetylene pTS (2,4-hexadiynylene bis(p-toluenesulphonate)) are reported. The dependences were determined in the temperature range 100-250 K, and in the frequency range 100 Hz - 1 MHz. Two types of single crystals were studied: nearly-fully polymerized ones, and those containing ca. 20% of polymer in the monomer matrix. The dynamics is characterized by a high-frequency response (v ≫ 3 GHz) which corresponds to the soft mode analysed previously by the Raman and neutron inelastic scatterings. At low frequencies (v ≤ 1 kHz), another component is observed, its dielectric intensity peaking around the transition temperature in the fully polymerized crystals. The results are consistent with the results obtained from NMR and neutron scattering experiments.
Keywords
EN
Publisher

Year
Volume
88
Issue
2
Pages
359-367
Physical description
Dates
published
1995-08
received
1995-04-25
Contributors
author
  • Groupe Matiere Condensée et Matériaux, URA au C.N.R.S. 804, Université de Rennes I, Campus de Beaulieu, 35042 Rennes Cedex, France
author
  • Groupe Matiere Condensée et Matériaux, URA au C.N.R.S. 804, Université de Rennes I, Campus de Beaulieu, 35042 Rennes Cedex, France
author
  • Groupe Matiere Condensée et Matériaux, URA au C.N.R.S. 804, Université de Rennes I, Campus de Beaulieu, 35042 Rennes Cedex, France
  • Institute of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383 Wrocław, Poland
  • Institute of Physical and Theoretical Chemistry, Technical University of Wrocław, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
References
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv88z211kz
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.