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Ab initio calculations of the reflectance anisotropy spectrum

Bass, J. M. and Matthai, Clarence Cherian 1996. Ab initio calculations of the reflectance anisotropy spectrum. Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 14 (4) , pp. 3075-3079. 10.1116/1.589067

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Using an ab initio, nonlocal pseudopotential method, we have calculated the reflectance anisotropyspectrum for a particular model of the GaAs(001) c(4×4) reconstructedsurface. Excellent agreement with experiment was obtained, supporting the chosen model. The reflectance anisotropy was found to originate from optical transitions between bulk like valence band states and surface states in the conduction band. The nature and distribution of the electronic states involved is discussed

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Institute of Physics
ISSN: 0734-211X
Last Modified: 04 Jun 2017 06:48

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