Polarization spectra of optical absorption of the Dy Ion in the DyAlO crystal

Polarized optical absorption spectra of the dysprosium ion Dy in the DyAlO orthoaluminate crystal have been studied. The anisotropic character of the Stark components of the absorption band has been analyzed. The energy intervals between the Kramers doublets of the ground multiplet have been determined. It has been shown that the wave functions of the doublets can be approximated by “pure” states. The results have been compared with data on the magnetic susceptibility measured along the “c” axis of the orthorhombic DyAlO crystal.

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