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μSR studies in an I2-doped phenylenediamine polymer

  • Session 2. Magnetism
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Abstract

We report μSR studies of the recently synthesized I2-doped phenylenediamine polymer. Longitudinal-field spectra exhibit typical behavior of a spin-glass with a freezing temperatureT g ∼ 100 K and a spontaneous static local field ∼ 500 G at low temperatures. Preliminary magnetization measurements hint of antiferromagnetic spin coupling and hysteretic behavior aroundT g. These features suggest possible spin-glass and/or antiferromagnetic spin freezing with a high transition temperature due to the doped radical spins in this organic polymer.

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Author notes

  1. W. S. Jenks

    Present address: Dept. of Chemistry, Iowa State Univ., Ames, Iowa

Authors and Affiliations

  1. Dept. of Physics, Columbia Univ., 10027, New York, NY, USA

    L. P. Le, A. Keren, G. M. Luke, W. D. Wu & Y. J. Uemura

  2. Dept. of Chemistry, Columbia Univ., 10027, New York, NY, USA

    W. S. Jenks, A. Graff (Postdoctoral fellow of the Humboldt Foundation) & R. Breslow

  3. Dept. of Physics, Univ. of British Columbia, V6T 2A3, Vancouver, BC, Canada

    P. Dosanjh

Authors
  1. L. P. Le
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  2. A. Keren
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  3. G. M. Luke
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  4. W. D. Wu
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  5. Y. J. Uemura
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  6. W. S. Jenks
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  7. A. Graff
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  8. R. Breslow
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  9. P. Dosanjh
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Additional information

Postdoctoral fellow of the Humboldt Foundation.

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Le, L.P., Keren, A., Luke, G.M. et al. μSR studies in an I2-doped phenylenediamine polymer. Hyperfine Interact 85, 287–292 (1994). https://doi.org/10.1007/BF02069436

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  • DOI: https://doi.org/10.1007/BF02069436

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