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High throughput density functional investigations of the stability, electronic structure and thermoelectric properties of binary silicides

I. Opahle, G. Madsen, R. Drautz

Physical Chemistry Chemical Physics, 14, 16197–16202, (2012)

DOI: 10.1039/c2cp41826f

Download: BibTEX

The structural stabilities of binary Mg–X (X = Si, Ge, Sn) and 4d transition metal silicides Mo–Si and Ru–Si are investigated. The convex hulls of stable alloys are in overall good agreement with the known experimental phase diagrams. It is shown how the Si-rich Ru–Si structures have band gaps at the Fermi-level and how the Ru2Si3 structure is stabilized compared to the corresponding Fe2Si3 structure. We discuss the band structure of Ru2Si3 and show how the anisotropic band masses lead to favorable calculated thermoelectric properties.

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{"type":"article", "name":"i.opahle201212", "author":"I. Opahle and G. Madsen and R. Drautz", "title":"High throughput density functional investigations of the stability, electronic structure and thermoelectric properties of binary silicides", "journal":"Physical Chemistry Chemical Physics", "volume":"14", "OPTnumber":"47", "OPTmonth":"12", "year":"2012", "OPTpages":"16197–16202", "OPTnote":"", "OPTkey":"", "DOI":"10.1039/c2cp41826f"}
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