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27Al field-swept and frequency-stepped NMR for sites with large quadrupole coupling constants
P L Bryant1, L G Butler, A P Reyes
1Department of Chemistry, Louisiana State University, Baton Rouge 70803-1804, USA.
Solid State Nuclear Magnetic Resonance
|May 16, 2000
Abstract:
Spectra of nonspinning samples with large quadrupole coupling constants, 16-32 MHz, are acquired by frequency-stepping. A series of spin-echoes are acquired at arbitrary frequency increments, frequency-shifted in the time domain, and co-added as magnitude spectra. This procedure is derived from a method in use for field-swept NMR. The two methods are compared.