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Towards 3D Exchange NMR in Solids

  • K. Schmidt-Rohr
  • H. W. Spiess
Conference paper

Abstract

The 2D exchange NMR experiment for studying ultraslow molecular motions is extended to a third frequency dimension by employing two mixing times in combination with a frequency selection technique. This allows us to detect the orientation of selected ensembles of molecules at three subsequent times. The experiment yields a plane out of a full 3D spectrum. This offers so far inaccesible information about the pathway of a molecule during a dynamic process. In particular, degeneracies can be unravelled and the Markovian character of molecular motions can be checked explicitely.

PACS numbers

76.60.Es 64.70.Pf 66.30.-h 

Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • K. Schmidt-Rohr
    • 1
  • H. W. Spiess
    • 1
  1. 1.Max-Planck-Institut für PolymerforschungMainzGermany

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