A method for the calculation of the surface local-field effect on reflectance has been developed. It also takes into account the different polarizabilities of surface and bulk. Application has been made to GaAs(110) and GaP(110), starting from first-principles one-electron calculations of surface optical properties. The inclusion of local fields has important—yet not drastic—effects on line shapes of reflectance-anisotropy and differential-reflectivity measurements.
Surface local field effect in the optical properties of GaAs(110) and GaP(110), / C. M., Wijers; R., Del Sole; MANGHI, Franca. - In: PHYSICAL REVIEW. B, CONDENSED MATTER. - ISSN 0163-1829. - STAMPA. - 44:(1991), pp. 1825-1831.
Surface local field effect in the optical properties of GaAs(110) and GaP(110),
MANGHI, Franca
1991
Abstract
A method for the calculation of the surface local-field effect on reflectance has been developed. It also takes into account the different polarizabilities of surface and bulk. Application has been made to GaAs(110) and GaP(110), starting from first-principles one-electron calculations of surface optical properties. The inclusion of local fields has important—yet not drastic—effects on line shapes of reflectance-anisotropy and differential-reflectivity measurements.
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