Cutajar, M., Ashbrook, S.E. and Wimperis, S. (2006) 2H double-quantum MAS NMR spectroscopy as a probe of dynamics on the microsecond timescale in solids. Chemical Physics Letters, 423(4-6), pp. 276-281. (doi: 10.1016/j.cplett.2006.03.065)
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Abstract
The sidebands observed in the magic angle spinning (MAS) NMR spectrum of a spin I = 1 2H nucleus may be very strongly broadened if motion is present in the solid. The broadening arises from interference between the line-narrowing effects of MAS and the dynamics-driven reorientation of the 2H quadrupole tensor. Here, we show that this motional broadening is absent or much reduced in the corresponding double-quantum MAS NMR spectrum. This observation suggests a new approach to studying dynamics in solids and examples are drawn from 2H MAS NMR of oxalic acid dihydrate, sodium tetrathionate dihydrate, and the synthetic polymer PMMA.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Wimperis, Professor Stephen |
Authors: | Cutajar, M., Ashbrook, S.E., and Wimperis, S. |
Subjects: | Q Science > QD Chemistry |
College/School: | College of Science and Engineering > School of Chemistry |
Journal Name: | Chemical Physics Letters |
ISSN: | 0009-2614 |
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