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01154 am a22001693u 4500 |
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46683 |
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|a Kristiansen, Per Eugen
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|a Carravetta, Marina
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|a van Beek, Jacco D.
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|a Lai, Wai Cheu
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|a Levitt, Malcolm H.
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|a Theory and applications of supercycled symmetry-based recoupling sequences in solid-state NMR
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|c 2006-06-21.
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|z Get fulltext
|u https://eprints.soton.ac.uk/46683/1/JCP_2006_2.pdf
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|a We present the theoretical principles of supercycled symmetry-based recoupling sequences in solid-state magic-angle-spinning NMR. We discuss the construction procedure of the SR26 pulse sequence, which is a particularly robust sequence for double-quantum homonuclear dipole-dipole recoupling. The supercycle removes destructive higher-order average Hamiltonian terms and renders the sequence robust over long time intervals. We demonstrate applications of the SR26 sequence to double-quantum spectroscopy, homonuclear spin counting, and determination of the relative orientations of chemical shift anisotropy tensors.
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