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The role of the exchange interaction in the valence transition of Sm chalcogenides

✍ Scribed by N. Porras-Montenegro

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
237 KB
Volume
97
Category
Article
ISSN
0375-9601

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πŸ“œ SIMILAR VOLUMES

A theoretical study of the valence trans
A theoretical study of the valence transition in Sm1 βˆ’xMxS alloys
✍ I. Aveline; J. R. Iglesias-Sicardi πŸ“‚ Article πŸ“… 1979 πŸ› Springer US 🌐 English βš– 457 KB

We present a theoretical model to explain the valence transitions of Sm in Sml-xMxS alloys, where M is a transition metal (e.g., Y or La). The f-level of Sm is described as a zero-width band with a finite Coulomb repulsion U, hybridized with the d band of the alloy, which is treated in the coherent