Multiple-pulse sequences for homonuclear decoupling. Experimental verification
โ Scribed by J.H Iwamiya; S.W Sinton; H Liu; S.J Glaser; G.P Drobny
- Book ID
- 107798624
- Publisher
- Elsevier Science
- Year
- 1992
- Weight
- 536 KB
- Volume
- 100
- Category
- Article
- ISSN
- 0022-2364
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A new rf pulse sequence is described for the decoupling of homonuclear dipolar interactions in solid state NMR. It involves alternate 2n rotations of opposite signs about the magic-angle axis in spin space, by x rf phase shifts synchronous with rapid switching of the rf carrier frequency between opp
For compounds giving "crowded" 1-dimensional magic-anglespinning spectra, information about the local atomic environment in the form of the chemical shift anisotropy (CSA) is sacrificed for high resolution of the less informative isotropic chemical shift. Magic-angle-turning (MAT) NMR pulse sequence