23Na and 27Al NMR Study of Structure and Dynamics in Mordenite

N. A. Sergeev, M. Paczwa, M. Olszewski, A. M. Panich

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Temperature dependencies of 27Al and 23Na nuclear magnetic resonance spectra and spin–lattice relaxations in mordenite have been studied in static and magic angle spinning regimes. Our data show that the spin–lattice relaxations of the 23Na and 27Al nuclei are mainly governed by interaction of nuclear quadrupole moments with electric field gradients of the crystal, modulated by translational motion of water molecules in the mordenite channels. At temperatures below 200 K, the dipolar interaction of nuclear spins with paramagnetic impurities becomes an important relaxation mechanism of the 23Na and 27Al nuclei.

Original languageEnglish
Pages (from-to)115-124
Number of pages10
JournalApplied Magnetic Resonance
Issue number2
StatePublished - 1 Feb 2017

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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