The Temperature Dependence of the Correlation Time of Slowly Tunneling Methylgroups, Derived from Spin Conversion and Spin-Lattice Relaxation Measurements

  • A. Buekenhoudt
  • L. Van Gerven
Conference paper


Spin conversion and spin-lattice relaxation rates in four different methyl- compounds with almost equal tunnel frequency, show different traces of the methyl reorientation correlation time τ e at low temperatures, although at high temperatures, the four τe-evolutions are equal.

PACS number



  1. 1).
    G. Vandemaele, A. Buekenhoudt, L. Van Gerven, A new field-cylcing NMR method for determining the spin conversion time at low tunnel frequencies, accepted for publication by J.Magn.Res. (September 1990)Google Scholar
  2. 2).
    A. Buekenhoudt, G. Vandemaele, L. Van Gerven, Spin conversion of tunneling CH3- rotors in copper acetate, accepted for publication by Phys.Rev. (may 1990 )Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • A. Buekenhoudt
    • 1
  • L. Van Gerven
    • 1
  1. 1.Laboratorium voor Vaste Stof-Fysika en MagnetismeKatholieke Universiteit LeuvenLeuvenBelgium

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