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Sensitivity-Enhanced Multiple-Quantum MAS NMR of Half-Integer Quadrupolar Nuclei †

✍ Scribed by Vosegaard, T.; Larsen, F. H.; Jakobsen, H. J.; Ellis, P. D.; Nielsen, N. C.

Book ID
127165773
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
82 KB
Volume
119
Category
Article
ISSN
0002-7863

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📜 SIMILAR VOLUMES

High-resolution multiple quantum MAS NMR
High-resolution multiple quantum MAS NMR spectroscopy of half-integer quadrupolar nuclei
✍ Gang Wu; David Rovnyank; Boqin Sun; Robert G. Griffin 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 500 KB

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

QCPMG-MAS NMR of Half-Integer Quadrupola
QCPMG-MAS NMR of Half-Integer Quadrupolar Nuclei
✍ Flemming H. Larsen; Hans J. Jakobsen; Paul D. Ellis; Niels Chr. Nielsen 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 97 KB

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