DYNAMIC-ANGLE SPINNING WITHOUT SIDE-BAND

被引:26
|
作者
GANN, SL [1 ]
BALTISBERGER, JH [1 ]
PINES, A [1 ]
机构
[1] UNIV CALIF BERKELEY,DEPT CHEM,BERKELEY,CA 94720
基金
美国国家科学基金会;
关键词
D O I
10.1016/0009-2614(93)87045-5
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
By means of rotor-synchronized pi-pulses, it is possible to eliminate the spinning sidebands (while retaining their full intensity in the isotropic centerband) that usually arise in dynamic-angle spinning (DAS) NMR. The theory of this approach, dynamic-angle hopping (DAH-180), is described and illustrated with experimental results on quadrupolar nuclei. A magic-angle hopping (MAH-180) version of magic-angle spinning is also possible and can be used in a two-dimensional NMR experiment to produce sideband-free isotropic-anisotropic correlation spectra for spin-1/2 nuclei.
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页码:405 / 410
页数:6
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