Surface local-field effect on the optical properties of GaAs(110) and GaP(110)
- 15 July 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 44 (4) , 1825-1831
- https://doi.org/10.1103/physrevb.44.1825
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.Keywords
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