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Simple Metal and Binary Alloy Phases Based on the fcc Structure: Electronic Origin of Distortions, Superlattices and Vacancies

Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka 142432, Russia
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Academic Editor: Sławomir J. Grabowski
Crystals 2017, 7(2), 34; https://doi.org/10.3390/cryst7020034
Received: 13 November 2016 / Revised: 20 January 2017 / Accepted: 23 January 2017 / Published: 28 January 2017
(This article belongs to the Section Crystal Engineering)
Crystal structures of simple metals and binary alloy phases based on the face-centered cubic (fcc) structure are analyzed within the model of Fermi sphere–Brillouin zone interactions to understand the stability of the original cubic structure and derivative structures with distortions, superlattices and vacancies. Examination of the Brillouin–Jones configuration in relation to the nearly-free electron Fermi sphere for several representative phases reveals significance of the electron energy contribution to the phase stability. Representation of complex structures in the reciprocal space clarifies their relationship to the basic cubic cell. View Full-Text
Keywords: crystal structure; Hume–Rothery phases; structure stability crystal structure; Hume–Rothery phases; structure stability
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Degtyareva, V.F.; Afonikova, N.S. Simple Metal and Binary Alloy Phases Based on the fcc Structure: Electronic Origin of Distortions, Superlattices and Vacancies. Crystals 2017, 7, 34.

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