Published 1980
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Crystal field splitting in UO2: an intermediate valence compounds
- 1. Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Neutron Physics
- 2. Zentralinstitut fuer Kernforschung, Rossendorf bei Dresden (German Democratic Republic)
- 3. Karl-Marx-Universitaet, Leipzig (German Democratic Republic). Sektion Physik
Description
It is reported on the first direct observation of crystalline electric field (CEF) transitions in the paramagnetic state of the actinide compound UO2 in an energy region up to 200 meV using inelastic thermal neutron scattering and time-of-flight method. A theoretical interpretation of the experimental data was possible on the basis of an intermediate valence state and valence fluctuations in the UO2 compound. The CEF parameters were found using the parametrization of Lea, Leask and Wolf (x=0.65+-0.05; W=(4+-0.5) meV the number of 5 f-electrons per uranium ion is 2.35+-0.05)
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Additional details
Publishing Information
- Imprint Pagination
- 10 p.
- Report number
- JINR-E--14-80-648
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 12614629
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- CRYSTAL FIELD; ENERGY-LEVEL TRANSITIONS; F STATES; HAMILTONIANS; HYBRIDIZATION; INTERMEDIATE COUPLING; PARAMAGNETISM; URANIUM DIOXIDE; URANIUM IONS; VALENCE
- Descriptors DEC
- ACTINIDE COMPOUNDS; ATOMIC IONS; CHALCOGENIDES; CHARGED PARTICLES; COUPLING; ENERGY LEVELS; IONS; MAGNETISM; MATHEMATICAL OPERATORS; OXIDES; OXYGEN COMPOUNDS; QUANTUM OPERATORS; URANIUM COMPOUNDS; URANIUM OXIDES
Optional Information
- Notes
- 21 refs.; 4 figs.