ELECTRONIC-STRUCTURE OF THE 4H POLYTYPE OF DIAMOND

We report the core-level x-ray photoelectron spectrum (XPS) of 4H diam ond-a higher polytype of the well-studied cubic diamond. Diamond polyt ype films were synthesized by laser-induced reactive quenching at a li quid-solid interface, and characterized by transmission electron micro -diffraction. Electronic energy bands and densities of stares, calcula ted using the local-density-based tight-binding linear muffin-tin orbi tal method, have been used to interpret the XPS data.