\emph{Ab initio} derivation of the crystal field parameters for lanthanide ions: The f${}^1$ case

Dumitru-Claudiu Sergentu, Gwenhaël Duplaix-Rata, Ionel Humelnicu +2

The crystal field theory as explained by Abragam and Bleaney in their landmark 1970 book on transition-ion electron paramagnetic resonance remains a cornerstone in the development…