Optical constants of ZnTe and ZnSe epitaxial thin films

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Authors

FRANTA Daniel OHLÍDAL Ivan KLAPETEK Petr MONTAIGNE-RAMIL Alberto BONANNI Alberta STIFTER David SITTER Helmut

Year of publication 2003
Type Article in Periodical
Magazine / Source Acta Physica Slovaca
MU Faculty or unit

Faculty of Science

Citation
Web http://hydra.physics.muni.cz/~franta/bib/APS53_95.html
Field Solid matter physics and magnetism
Keywords SPECTROSCOPIC ELLIPSOMETRY; MATRIX FORMALISM; CARBON-FILMS; MULTISAMPLE; GAAS
Description In this paper the spectral dependences of the optical constants, i.e. refractive index and extinction coefficient, are presented within the spectral region 220-850 nm. For determining these spectral dependences a multi-sample modification of the combined optical method based on a simultaneous interpretation of experimental data corresponding to variable angle spectro-scopic ellipsometry and near-normal spectroscopic reflectometry is used. Further, physical models and an iterative procedure enabling us to determine the spectral dependences of the optical constants of both the epitaxial films are described in detail. The spectral dependences of the optical constants are introduced in the forms of curves and tables.
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