Volume 38, Number 9, June III 1997
|Page(s)||687 - 692|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Disorder-induced solitons in conjugated polymers
Institute for Theoretical Physics, Materials Science Center,
University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
Accepted: 20 May 1997
We show that weak off-diagonal disorder in degenerate ground-state conjugated polymers results in a finite density of randomly positioned kinks (solitons and antisolitons) in the lattice dimerization. For realistic values of the disorder, these kinks should clearly show up in the optical and magnetic properties.
PACS: 71.20.Rv – Polymers and organic compounds / 63.20.Kr – Phonon-electron and phonon-phonon interactions / 71.23.-k – Electronic structure of disordered solids
© EDP Sciences, 1997
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