Determination of the electrostatic contributions to lanthanide quadrupolar crystal fields
- 21 September 1975
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 8 (18) , 2985-2991
- https://doi.org/10.1088/0022-3719/8/18/018
Abstract
Recently-determined values of the nuclear quadrupole splitting in 155Gd are employed as input data to a new model which separates the electrostatic contributions to lanthanide crystal fields from the 'contact' contributions due to overlap, covalency and charge penetration. This separation allows a new and more precise value of the quadrupolar shielding parameter sigma 2 to be obtained.Keywords
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