Abstract
The 2H quadrupolar Carr–Purcell–Meiboom–Gill (QCPMG) NMR experiment is proposed as a convenient method to obtain detailed information about molecular dynamics in solids. Compared to the quadrupolar-echo (QE) experiment QCPMG offers two advantages. First, a sensitivity enhancement by about an order of magnitude is achieved by splitting the QE spectrum into spin-echo sidebands. Second, the lineshape of the individual sidebands provides detailed information about the molecular dynamics and increases the dynamic range by two orders of magnitude. The 2H QCPMG method is demonstrated experimentally and numerically using the two-fold flip process in dimethyl sulfone.
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