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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Luoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R ChinaLuoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R China
Wu, Hao
Li, Wensheng
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Luoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R ChinaLuoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R China
Li, Wensheng
Han, Shuaitao
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Luoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R ChinaLuoyang Elect Equipment Test Ctr China, Luoyang 471000, Henan, Peoples R China
Han, Shuaitao
SPACE OPTICS, TELESCOPES, AND INSTRUMENTATION (AOPC 2019),
2019,
11341
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UNIV BRITISH COLUMBIA,DEPT CHEM,2036 MAIN MALL,VANCOUVER V6T 1Z1,BC,CANADAUNIV BRITISH COLUMBIA,DEPT CHEM,2036 MAIN MALL,VANCOUVER V6T 1Z1,BC,CANADA
NAKAI, T
MCDOWELL, CA
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UNIV BRITISH COLUMBIA,DEPT CHEM,2036 MAIN MALL,VANCOUVER V6T 1Z1,BC,CANADAUNIV BRITISH COLUMBIA,DEPT CHEM,2036 MAIN MALL,VANCOUVER V6T 1Z1,BC,CANADA