New NMR Technique for Studying Diffusion in Multispin Crystals

Abstract

We present a new NMR method for studying slow diffusion in multispin systems. With this method we can vary the effect of a particular spin species's motion relative to the others, thus enabling us to separate and identify the component motions. We present a new pulse sequence for measuring ${T_{1D}}^{\prime }$. a generalized dipolar relaxation time, and apply it to a study of potassium diffusion in KF.