Single- and Double-Resonance Experiments of Quadrupolar Nuclei in Solids Using Sensitivity Enhancement of the Central Transition

Jürgen Haase, Mark S. Conradi, Eric Oldfield

Research output: Contribution to journalArticlepeer-review

Abstract

Population enhancement for NMR of the central transition of quadrupolar nuclei in solids is performed by using adiabatic radiofrequency sweeps of the satellite transitions. Single-resonance experiments are reported for 17O, 23Na, 27Al, and 93Nb nuclei in powders of Al2O3, NaNbO3, and LiNbO3, and in Pyrex glass. Experimental techniques using single-coil probe circuits capable of both wideband frequency sweeps and narrowband detection are presented. The combination of population enhancement with cross polarization from 27Al to 17O in α-Al2O3 (corundum) powder is demonstrated. The sensitivity-enhancement technique is robust, with no critical parameters.

Original languageEnglish (US)
Pages (from-to)210-215
Number of pages6
JournalJournal of Magnetic Resonance, Series A
Volume109
Issue number2
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Engineering(all)

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