Simple metals at high pressures: the Fermi sphere-Brillouin zone interaction model

Osipyan Institute of Solid State Physics, Russian Academy of Sciences, Akademika Osip'yana str. 2, Chernogolovka, Moscow Region, 142432, Russian Federation

High-pressure structural transformations are analyzed for simple sp-elements and some binary alloys. The crystal structure stability of these metals depends on the Fermi surface-Brillouin zone interaction. An increase in this interaction with pressure results in transitions to less symmetric and less closely packed structures. A structural similarity is shown to exist between the high-pressure phases for alkali and alkali-earth metals and for polyvalent group IV and V elements. The correlation between the behavior under compression of the structure and the physical properties (resistivity and superconductivity) of these metals is discussed in terms of the Fermi sphere-Brillouin zone interaction model.

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Fulltext is also available at DOI: 10.1070/PU2006v049n04ABEH005948
PACS: 61.50.Ks, 61.66.Bi, 62.50.+p (all)
DOI: 10.1070/PU2006v049n04ABEH005948
Citation: Degtyareva V F "Simple metals at high pressures: the Fermi sphere-Brillouin zone interaction model" Phys. Usp. 49 369–388 (2006)
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Оригинал: Дегтярева В Ф «Простые металлы при высоком давлении. Модель взаимодействия сферы Ферми и зоны Бриллюэна» УФН 176 383–402 (2006); DOI: 10.3367/UFNr.0176.200604c.0383

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