The optical properties of GaAs(110) and GaP(110) surfaces are studied by means of self-consistent local-density calculations. A very large contribution to the reflectance anisotropy is found to be related to transitions which do not involve surface states. These transitions give a substantial—yet smaller—contribution also to the differential reflectivity. Comparison is made with relevant experimental data.
ANISOTROPY OF SURFACE OPTICAL-PROPERTIES FROM 1ST-PRINCIPLES CALCULATIONS / Manghi, Franca; Delsole, R; Selloni, A; Molinari, Elisa. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 41:(1990), pp. 9935-9946.
ANISOTROPY OF SURFACE OPTICAL-PROPERTIES FROM 1ST-PRINCIPLES CALCULATIONS
MANGHI, Franca;MOLINARI, Elisa
1990
Abstract
The optical properties of GaAs(110) and GaP(110) surfaces are studied by means of self-consistent local-density calculations. A very large contribution to the reflectance anisotropy is found to be related to transitions which do not involve surface states. These transitions give a substantial—yet smaller—contribution also to the differential reflectivity. Comparison is made with relevant experimental data.
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