Interface formation of GaAs with Si(100), Si(111), and Ge(111): Core-level spectroscopy for monolayer coverages of GaAs, Ga, and As. [electronic resource] - Physical review. B, Condensed matter Dec 1987 - 9569-9580 p. digital Publication Type: Journal Article ISSN: 0163-1829 Standard No.: 10.1103/physrevb.36.9569 doi