Investigations of the two low lying ground-level doublets of Dy3+ in YAsO4 by paramagnetic resonance and optical absorption spectrum
✍ Scribed by W. Hillmer; J. Plamper; D. Wappler
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 272 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0370-1972
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✦ Synopsis
Abstract
Paramagnetic resonance at K‐, Q‐, and X‐band frequencies and optical absorption spectrum of trivalent dysprosium have been investigated in single crystals of yttrium arsenate within a temperature range from 1.7 to 15 K. The measurements indicate, that there is a linear Zeeman splitting parallel and a nonlinear Zeeman splitting perpendicular to the c‐axis of the crystal for the two lowest ground‐level doublets. The energetic distance of these doublets at zero magnetic field is ΔW = (1.35 ± 0.03) cm^−1^. A spin Hamiltonian is given with effective spin S = 3/2, which describes the observed Zeeman effect of the two doublets lying close together.