High-Throughput Investigation of the Electron Transport Properties in Si₁-Ge Alloys

Bamidele Ibrahim Adetunji, Marco Fornari

Research output: Contribution to journalArticlepeer-review

Abstract

Si1-xGex alloys are among the most used materials for power electronics and quantum technology. In most engineering models the parameters used to simulate the material and its electronic transport properties are derived from experimental results using simple semiempirical approaches. In this paper, we present a high-throughput study of the electron transport properties in Si1-xGex alloys, based on the combination of atomistic first principles calculations and statistical analysis. Our results clarify the effects of the Ge concentration and of disorder on the properties of the Si1-xGex alloy. We discuss the results in comparison with existing semiempirical methods and we provide a Ge-dependent set of transport parameters that can be used in device modeling.

Original languageEnglish
Pages (from-to)141121-141130
JournalIEEE Access
Volume9
StatePublished - 2021

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