Solid-state 87Rb NMR of RbVO3. A comparison of experiments for retrieving chemical shielding and quadrupole coupling tensorial interactions

Thomas Vosegaard, Jørgen Skibsted, Henrik Bildsøe, Hans J. Jakobsen*

*Corresponding author for this work

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5 Citations (Scopus)

Abstract

Solid-state 87Rb NMR spectra for a powder and single crystal of RbVO3 have been acquired for the central transition at two magnetic field strengths (9.4 and 14.1 T) and using two single-crystal NMR probes of different design. The powder spectra have been obtained using spin-echo techniques without sample spinning because the widths of the spectra are in the range 100-150 kHz. The spectra are analyzed in terms of the chemical shielding and quadrupole coupling interactions and the parameters are compared in an evaluation of the precision for the techniques. Parameters of high precision including the relative orientation for the two tensors are obtained from the single-crystal spectra at 14.1 T. Finally, the orientations of the two tensors in the crystal frame are deduced from the crystal symmetry and an XRD analysis.

Original languageEnglish
JournalSolid State Nuclear Magnetic Resonance
Volume14
Issue3-4
Pages (from-to)203-210
Number of pages8
ISSN0926-2040
DOIs
Publication statusPublished - 1999

Keywords

  • Rb single-crystal NMR
  • Rb static-powder NMR
  • Chemical shielding anisotropy
  • Quadrupole coupling
  • RbVO

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