Abstract

Polycrystalline pyrite films have been prepared by evaporation of Fe and S from separate molecular beam sources. It is shown by X-ray diffraction and by X-ray and ultraviolet photoelectron spectroscopy that at S pressures of 6–8 · 10 −5, Pa pyrite is formed at a substrate temperature of 390 K. At higher temperatures, pyrrhotite (Fe 7S 8) is present in the films.

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