Nutation Sequences for Magnetic Resonance Imaging in Solids

Creators: Cho, H. M.; Lee, C. J.; Shykind, D. N.; Weitekamp, D. P.

Abstract

Novel radio-frequency NMR pulse sequences are presented and their application to imaging of solids with use of rf field gradients is discussed. The sequences cause a nuclear spin to precess about the static field direction at a rate proportional to the strength of certain of the pulses. This forced precession is independent of the resonance offset and of couplings to other spins. The pulse-sequence design is described by means of coherent averaging theory and is confirmed experimentally and numerically.

Additional Information

©1985 The American Physical Society. Received 15 July 1985. The authors thank Professor A. Pines for his support and interest in this work. We also thank G.C. Chingas, A.N. Garroway, and N.M. Szeverenyi for stimulating discussions of their work prior to publication. This work was supported by the Director, Office of Energy Research, Office of Basic Energy Sciences, Materials Science Division of the U.S. Department of Energy and by the Director's Program Development Funds of the Lawrence Berkeley Laboratory under Contract No. DE-AC03-76SF00098.

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