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research article
High-resolution NMR spectroscopy in solids by truly magic-angle spinning
Right angles: In solid-state magic-angle spinning (MAS) NMR spectra, the line widths of carbonyl carbon atoms in polycryst. cholesteryl acetate are as narrow as 0.039 ppm if the magic angle is adjusted very accurately, i.e., within +-0.004 Deg. The line broadening obsd. for slightly miss-set angles is mostly due to residual chem. shift anisotropy (CSA) interactions. Long spin-echo life times up to T'2 = 3.6 s open the way to sophisticated NMR methods. [on SciFinder (R)]
Type
research article
Web of Science ID
WOS:000229091300022
Authors
Publication date
2005
Published in
Volume
44
Issue
19
Start page
2935
End page
2938
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 22, 2006
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