Volume 106, Number 2, April 2014
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||23 April 2014|
On the electron transport in polydiacetylene crystals and derivatives
1 Instituto Pluridisciplinar, Universidad Complutense - Paseo Juan XXIII, 1, Madrid-28040, Spain
2 Fundacion Universidad Alfonso X El Sabio - Villanueva de la Canada, Madrid-28691, Spain
3 Dept. of Physics, Saratov State University - Astrakhanskaya 83, Saratov-410012, Russia
4 Institut für Physik, Humboldt- Universität Berlin - Newtonstrasse 15, Berlin-12489, Germany
5 School of Physics and Astronomy, Queen Mary University of London - Mile End Road, London E1 4NS, UK
6 New York University in London - 6 Bedford Square, London WC1B 3RA, UK
Received: 21 October 2013
Accepted: 5 April 2014
We provide here a theory to account for the thirty-year-old outstanding experimental results by Donovan and Wilson on the electron transport in polydiacetylene (PDA) single crystals. Both supersonic and subsonic velocities are described. In the former case we predict that the velocity is field independent for several decades of the field strength in accordance with experimental results. The results offer a novel form of electron transport in addition to the previously known form in (trans)polyacetylene and other conjugated polymers.
PACS: 72.80.Le – Polymers; organic compounds (including organic semiconductors) / 72.20.Jv – Charge carriers: generation, recombination, lifetime, and trapping / 63.20.Ry – Anharmonic lattice modes
© EPLA, 2014
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