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Anomalous fcc Crystal Structure of Thorium Metal
Copyright policy )It is standard practice to consider thorium as a traditional tetravalent d transition metal, belonging to the same group of elements as Ti, Zr, and Hf. We demonstrate, however, that the observed fcc crystal structure for thorium is in complete disagreement with this picture. Instead we show that it is the itinerant 5f electrons which stabilize the fcc phase. Thereby we have established a close connection between thorium and the heavier actinide metals (Pa-Pu), which has previously been overlooked.
Microsoft Academic Graph classification: Condensed matter physics Cubic crystal system Metal visual_art.visual_art_medium visual_art Thorium chemistry.chemical_element chemistry Materials science Electronic structure Transition metal Crystal structure Cerium Actinide
General Physics and Astronomy
General Physics and Astronomy
Microsoft Academic Graph classification: Condensed matter physics Cubic crystal system Metal visual_art.visual_art_medium visual_art Thorium chemistry.chemical_element chemistry Materials science Electronic structure Transition metal Crystal structure Cerium Actinide
- Los Alamos National Laboratory United States
- Uppsala University Sweden
- Los Alamos National Laboratory United States
- Uppsala University Sweden
It is standard practice to consider thorium as a traditional tetravalent d transition metal, belonging to the same group of elements as Ti, Zr, and Hf. We demonstrate, however, that the observed fcc crystal structure for thorium is in complete disagreement with this picture. Instead we show that it is the itinerant 5f electrons which stabilize the fcc phase. Thereby we have established a close connection between thorium and the heavier actinide metals (Pa-Pu), which has previously been overlooked.