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Triple-quantum MAS-NMR of quadrupolar nuclei

Abstract : From two-dimensional multiquantum NMR spectra of quadrupolar nuclei, it is now possible to obtain much greater resolution than in a classical single-quantum magic-angle spinning or variable-angle spinning spectrum. We describe here a very simple pulse scheme which efficiently excites the desired multiquantum NMR coherence and a new acquisition procedure which yields to pure-absorption mode 2D spectra. Experimental spectra for 87Rb in polycrystalline rubidium nitrate illustrate the method.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02280881
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Submitted on : Friday, September 6, 2019 - 4:39:51 PM
Last modification on : Tuesday, June 16, 2020 - 11:34:07 PM

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Christian Fernandez, J.P. Amoureux. Triple-quantum MAS-NMR of quadrupolar nuclei. Solid State Nuclear Magnetic Resonance, Elsevier, 1996, 5 (4), pp.315-321. ⟨10.1016/0926-2040(95)01197-8⟩. ⟨hal-02280881⟩

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