Epitaxial films of semiconducting FeSi2 on (001) silicon

Abstract
Epitaxial thin films of the semiconducting transition metal silicide, beta‐FeSi2, were grown on (001) silicon wafers. The observed matching face relationship is FeSi2(100)/Si(001), with the azimuthal orientation being FeSi2[010]‖‖Si〈110〉. This heteroepitaxial relationship has a common unit mesh of 59 Å2 area, with a mismatch of 2.1%. There is a strong tendency toward island formation within this heteroepitaxial system.