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Semiempirical Band Structure of PtGa2.
Technical rept. no. 3, Oct 86-Aug 87,
CALIFORNIA UNIV LOS ANGELES
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A semi-empirical band structure for PtGa2 was obtained by adjusting the AuGa2 parameters in the Mixed-Basis Band Structure Interpolation Scheme MBBSIS to obtain agreement between the calculated total Density-of-States DOS and X ray Photoemission Spectroscopy XPS data. Angle Resolved Photoemission Spectroscopy ARPES data collected from a PtGa2 111 surface with a noble gas discharge lamp as excitation source were used to check the energies of the d-bands. The PtGa2 band structure is compared to those of both elemental Pt and Au, and the gold color of PtGa2 is explained in terms of its Au-like DOS. Keywords Binary intermetallic compounds, Transition metal, Crystal field effects, AR, Color variation, Color absorption, Binding energy, Platinum compounds.
APPROVED FOR PUBLIC RELEASE