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Carrier drift and trapping in one dimensional systems

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Zeitschrift für Physik B Condensed Matter

Abstract

There exist novel classes of materials ranging from conjugated polymers and anisotropic salts to Langmuir-Blodgett films which under certain experimental conditions exhibit one-dimensional excitation dynamics. In this paper we consider the Master equation approach to diffusion drift and trapping in such ‘quasi one-dimensional systems’. Using exact, scaling, and coherent potential approaches we consider a series of phenomena appropriate to the description of such systems. These include the following category of problems:1. the deep trapping problem (exact),2. the bond disorder problem (scaling and coherent medium),3. and finally the combination of1. with2. The relationship to present and planned experiments is discussed.

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Author notes

  1. D. Würtz

    Present address: IBM Forschungslaboratorium Zürich, Säumerstrasse 4, CH-8803, Rüschlikon, Switzerland

  2. B. Pohlmann

    Present address: Fachbereich Physik, GH-Universität Essen, D-4300, Essen, FRG

Authors and Affiliations

  1. Hirst Research Centre, GEC Research Ltd., East Lane, HA9 7PP, Wembley, Middlexex, UK

    B. Movaghar, D. Würtz & B. Pohlmann

Authors
  1. B. Movaghar
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  2. D. Würtz
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  3. B. Pohlmann
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Movaghar, B., Würtz, D. & Pohlmann, B. Carrier drift and trapping in one dimensional systems. Z. Physik B - Condensed Matter 66, 523–535 (1987). https://doi.org/10.1007/BF01303902

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  • DOI: https://doi.org/10.1007/BF01303902

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