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Spin dynamics in conducting polymers studied by μSR

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Abstract

We report studies of spin dynamics in the conducting polymers polyaniline and polypyrrole using both μ+SR and μ-SR techniques. These measurements reveal characteristic field dependences and cutoff frequencies for the muon spin relaxation which can be related to the spin diffusion process. Clear evidence is seen for increased spin localisation at low temperatures where a crossover occurs from two or three dimensional spin diffusion to a one dimensional diffusion regime.

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Authors and Affiliations

  1. Muon Science Laboratory, The Institute of Physical and Chemical Research (RIKEN), Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, UK

    F.L. Pratt, K. Ishida & K. Nagamine

  2. Department of Physics, University of Oxford, Clarendon Laboratory, Parks Road, Oxford, OX1 3PU, UK

    F.L. Pratt, S.J. Blundell, P.A. Pattenden, W. Hayes & K.H. Chow

  3. Department of Physics, University of Durham, South Road, Durham, DH1 3LE, UK

    A.P. Monkman

  4. Department of Physics, Kyoto University, Kyoto, 606‐01, Japan

    T. Ishiguro

Authors
  1. F.L. Pratt
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  2. S.J. Blundell
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  3. P.A. Pattenden
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  4. W. Hayes
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  5. K.H. Chow
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  6. A.P. Monkman
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  7. T. Ishiguro
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  8. K. Ishida
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  9. K. Nagamine
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Pratt, F., Blundell, S., Pattenden, P. et al. Spin dynamics in conducting polymers studied by μSR. Hyperfine Interactions 106, 33–38 (1997). https://doi.org/10.1023/A:1012652816077

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  • DOI: https://doi.org/10.1023/A:1012652816077

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