Systematics in the Magnetic Properties of Ternary Actinoid Oxides
| Autor: | M. Bickel, B. Kanellakopulos |
|---|---|
| Rok vydání: | 1993 |
| Předmět: |
Magnetic moment
Magnetism Chemistry Electronic structure Condensed Matter Physics Magnetic susceptibility Electronic Optical and Magnetic Materials Inorganic Chemistry Paramagnetism Crystal field theory Superexchange Materials Chemistry Ceramics and Composites Physical chemistry Condensed Matter::Strongly Correlated Electrons Physical and Theoretical Chemistry Ternary operation Nuclear chemistry |
| Zdroj: | Journal of Solid State Chemistry. 107:273-284 |
| ISSN: | 0022-4596 |
| DOI: | 10.1006/jssc.1993.1348 |
| Popis: | Magnetic data for ternary actinoid oxides with central ions exhibiting the [Rn]5ƒn electronic structure have been investigated to establish systematics for magnetic behavior and/or relations between structure and magnetism. All compounds with [Rn]5ƒ0 central ions exhibit a temperature-independent susceptibility which is ascribed to ligand orbital admixture into the 5ƒ orbitals. The magnetic moments of [Rn]5ƒ1 compounds are composed of a constant and a temperature dependent part, which are ascribed to ligand orbital admixtures and the 5ƒ electrons, respectively. The low temperature behavior of [Rn]5ƒ2n+1 compounds can be qualitatively explained by the lattice structures involved: An-O-An chains are necessary to make superexchange possible and a certain maximum distance between the paramagnetic ions must not be exceeded. |
| Databáze: | OpenAIRE |
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