Spin-Echo Behavior of Nonintegral-Spin Quadrupolar Nuclei in Inorganic Solids

Jürgen Haase, Eric Oldfield

Research output: Contribution to journalArticlepeer-review


The response to spin-echo radiofrequency pulse excitation of a variety of nonintegral-spin quadrupolar nuclei (23Na, 27Al, and 93Nb) in inorganic solids (single-crystal ruby and sapphire, α-Al2O3, γ-Al2O3, AlN, NaNO3 KNbO3, NaNbO3, LiNbO3, albite, and the zeolite Linde A), subject to strong quadrupolar interactions and dipolar interactions of varying strength, is reported. It is demonstrated that "soft" RF pulse excitation with a pair of selective π/2 and π pulses yields predictable spin-echo decay behavior as a function of dipolar interaction, the experimental results being in good agreement with the theoretical predictions.

Original languageEnglish (US)
Pages (from-to)30-40
Number of pages11
JournalJournal of Magnetic Resonance - Series A
Issue number1
StatePublished - 1993

ASJC Scopus subject areas

  • General Engineering


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