Magnetic and crystal-field properties of dysprosium dihydrides and trihydrides fromMössbauer studies
- 1 July 1979
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 20 (1), 251-256
- https://doi.org/10.1103/physrevb.20.251
Abstract
The saturation hyperfine magnetic field at the nucleus measured with the 26 keV Mössbauer resonance in Dy identifies a crystal-field ground state for the atom. This state originates from a cubal surrounding of the atom by atoms, in agreement with the hydridic model for rare-earth hydrides. An analysis of the hyperfine parameters and of the Schottky anomaly permits one to obtain the crystal-field parameters K and , and the exchange field kOe. Dy exhibits a long-range magnetic order at 3.3 K while between 3.3 and 6 K fairly complex short-range order is observed. A possible explanation for this behavior is provided. Dy remains paramagnetic down to 1.6 K.
Keywords
This publication has 15 references indexed in Scilit:
- Magnetic and electronic properties of DyH2 from 161Dy Mössbauer spectroscopyPhysics Letters A, 1978
- Mössbauer study of Er3+ in ErH3 and YH3Journal of Magnetism and Magnetic Materials, 1977
- Specific heat anomalies in rare earth dihydridesJournal of the Less Common Metals, 1976
- Crystal field and magnetic properties of ErPhysical Review B, 1976
- A neutron scattering study of crystal field splitting in cerium dihydrideJournal of the Less Common Metals, 1976
- andMössbauer studies of concentrated and diluted rare-earth dihydrides: Single-line compounds and crystal-field effectsPhysical Review B, 1975
- Antiferromagnetic transition in dysprosium dihydride low-temperature heat capacity studiesPhysica Status Solidi (a), 1975
- Inelastic Neutron Scattering by Cerium Hydrides. III. Localized Vibrations of Interstitial Hydrogen in the F.C.C. CeH2 LatticePhysica Status Solidi (b), 1974
- Efficient, low-cost gamma-ray spectrometry for 161Dy (26 keV) Mössbauer studiesNuclear Instruments and Methods, 1973
- NGR study of dysprosium dihydride at low temperaturesPhysics Letters A, 1971