Off-Resonance Nutation NMR Spectroscopy of Half-Integer Quadrupolar Nuclei
โ Scribed by A.P.M. Kentgens
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 612 KB
- Volume
- 104
- Category
- Article
- ISSN
- 1064-1858
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By combination of fast magic-angle spinning (MAS) and detection of the free-induction decay during a rotor-synchronized quadrupolar Carr-Purcell-Meiboom-Gill (QCPMG) train of refocusing pulses, the sensitivity of quadrupolar-echo MAS NMR spectra for the central transition of half-integer quadrupolar
We demonstrate the utility of a two-pulse sequence in obtaining high-resolution solid state NMR spectra of half-integer quadrupolar nuclei with magic-angle-spinning (MAS). The experiment, which utilizes multiple/single-quantum correlation, was first described in a different form by Frydman and Harwo