Rotary resonance recoupling for half-integer quadrupolar nuclei in solid-state nuclear magnetic resonance spectroscopy

Sungsool Wi, John W. Logan, Dimitris Sakellariou, Jamie D. Walls, Alexander Pines

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

The reintroduction of various interactions such as chemical shift anisotropy (CSA), heteronuclear dipolar (HTD) and homonuclear dipolar (HMD) terms involving quadrupolar nuclei were investigated under rotary resonance (RR). When the signal from the central transition coherence (CTC) of half-integer quadrupolar nuclei under spin-locking condition provided by a low rf field and a high spinning speed was sampled stroboscopically at integer multiples of the rotor period, the quarupolar broadening mechanism disappears under the dual rf-spinning modulations. This paper demonstrates experimental evidence and a theoretical framework incorporating an average Hamiltonian theory (AHT) to explain various recouplings involving quadrupolar nuclei under various RR conditions.

Original languageEnglish (US)
Pages (from-to)7024-7033
Number of pages10
JournalJournal of Chemical Physics
Volume117
Issue number15
DOIs
StatePublished - Oct 15 2002
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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