Abstract
Expressions are given for all tensor components of the lattice- and 4f-shell electric field gradient contributions at a rare-earth nucleus and the influence of local symmetry is discussed. To demonstrate that a full tensor analysis is essential for monoclinic symmetry, the quadrupole splitting data for169Tm in Tm2O3 are re-analyzed, resulting in significantly different shielding factorsR Q and Υ∞.
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Stewart, G.A. On the interpretation of nuclear quadrupole interaction data for rare-earth nuclei at low symmetry sites. Hyperfine Interact 23, 1–16 (1985). https://doi.org/10.1007/BF02060135
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DOI: https://doi.org/10.1007/BF02060135