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research article
Enhanced sensitivity in RIACT/MQ-MAS NMR experiments using rotor assisted population transfer
The rotor assisted population transfer (RAPT) sequence is used to enhance the sensitivity of the RIACT(II) experiment for spin-3/2 quadrupolar nuclei. A detailed theoretical analysis of the polarizations that contribute to different types of MQ-MAS experiments is provided. In particular, two polarization pathways are distinguished for the creation of triple-quantum coherence. The existence of these pathways is experimentally demonstrated by comparing the sensitivities of different sequences with and without RAPT preparation. (C) 2001 Academic Press.
Type
research article
Web of Science ID
WOS:000168914300010
Authors
Publication date
2001
Publisher
Published in
Volume
150
Issue
1
Start page
71
End page
80
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
January 8, 2015
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