CUED Publications database

A Quantum-Mechanical Map for Bonding and Properties in Solids.

Raty, J-Y and Schumacher, M and Golub, P and Deringer, VL and Gatti, C and Wuttig, M (2018) A Quantum-Mechanical Map for Bonding and Properties in Solids. Adv Mater, 31. e1806280-e1806280.

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A 2D map is created for solid-state materials based on a quantum-mechanical description of electron sharing and electron transfer. This map intuitively identifies the fundamental nature of ionic, metallic, and covalent bonding in a range of elements and binary compounds; furthermore, it highlights a distinct region for a mechanism recently termed "metavalent" bonding. Then, it is shown how this materials map can be extended in the third dimension by including physical properties of application interest. Finally, it is shown how the map coordinates yield new insight into the nature of the Peierls distortion in phase-change materials and thermoelectrics. These findings and conceptual approaches provide a novel avenue to tailor material properties.

Item Type: Article
Uncontrolled Keywords: materials design metavalent bonding phase-change materials thermoelectrics
Divisions: Div C > Applied Mechanics
Div C > Materials Engineering
Depositing User: Cron Job
Date Deposited: 07 Mar 2019 03:42
Last Modified: 20 Jun 2019 03:32
DOI: 10.1002/adma.201806280