Dynamic-angle spinning of quadrupolar nuclei

K. T. Mueller, B. Q. Sun, G. C. Chingas, J. W. Zwanziger, T. Terao, A. Pines

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In dynamic-angle spinning (DAS), a sample spins around an axis inclined at an angle [Formula presented] with respect to the magnetic field such that the averages of [Formula presented] are zero. The simplest case is where [Formula presented] assumes two discrete values [Formula presented] and [Formula presented] (complementary DAS angles) such that the averages of [Formula presented] and [Formula presented] are zero, thereby removing second-order quadrupolar (and dipolar) broadening. Examples of DAS complementary angles are [Formula presented] and [Formula presented]. Experimental details for DAS experiments are provided and applications to sodium-23 and oxygen-17 NMR illustrate the enhanced resolution achieved by removing the second-order broadening inherent in magic-angle spinning.

Original languageEnglish (US)
Pages (from-to)298-315
Number of pages18
JournalJournal of Magnetic Resonance
Volume213
Issue number2
DOIs
StatePublished - Dec 2011

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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