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Low Dimensional Magnetic Structures in Organic Free Radicals

  • J. Burg
  • P. Grobet
Conference paper

Abstract

The temperature dependence of the susceptibility of solvent-free DPPH powder measured by means of the hyperfine splitting in the proton magnetic resonance spectrum fits a one-dimensional alternating antiferranagnetic Heisenberg chain with activation energy |J|= 10 K and an alternation parameter estimated to be about 0.2.

Keywords

Proton Magnetic Resonance Spectrum Resonance Spectrum Hyperfine Coupling Hyperfine Splitting Alternation Parameter 
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References

  1. 1.
    R.Verlinden, P. Grobet and L.Van Gerven, Chem. Phys. Lett. 27, 535 (1974)ADSCrossRefGoogle Scholar
  2. 2.
    P.Grobet, L.Van Gerven and A.Van den Bosch, J. Chem. Phys. 68, 5225 (1978)ADSCrossRefGoogle Scholar
  3. 3.
    W.Duffy,Jr., and D.L.Strandburg, J. Chem. Phys. 46, 456 (1967)ADSCrossRefGoogle Scholar
  4. 4.
    P.Grobet, J.Burg and L.Van Gerven, Journ. Magn. Reson. 28, 163 (1977)ADSGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • J. Burg
    • 1
  • P. Grobet
    • 1
  1. 1.Laboratorium voor Vaste Stoffysika en MagnetismeKatholieke Universiteit LeuvenLeuvenBelgium

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