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Satellite transition rotational resonance of homonuclear quadrupolar spins: magic-angle effect on spin-echo decay and inversion recovery

    • Florida State University

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Satellite transition rotational resonance and magic-angle effects on central-transition spin-echo decay and inversion recovery of half-integer quadrupolar nuclei are presented. Small magic-angle offsets can change the satellite transition rotational resonance condition and consequently lead to dramatic effects on line width, spin-echo decay and inversion recovery. An half degree magic-angle offset lengthens α-Al2O3 spin-echo decay by 50% and inversion-recovery by nearly two orders of magnitude. The theory of satellite transition rotational resonance is presented and the origin of these magic-angle effects is explained.
    Original languageAmerican English
    JournalChemical Physics Letters
    Volume376
    StatePublished - Jul 17 2003

    Keywords

    • Quadrupolar nuclei
    • STMAS

    Disciplines

    • Physical Chemistry

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