Popova M.; Klimin S.; Chukalina E.; Levitin R.; Mill B.; Malkin B.; Antic-Fidancev E.
(2004)
High-resolution absorption spectra of the chain compound Er 2BaNiO5 were measured in a wide range of frequencies (6000-20,000 cm-1) and temperatures (2.5-300 K). Energies of 38 crystal-field levels of Er3+ in a paramagnetic ...