Dependence of optical properties of porous silicon on its porosity

M. I. Strashnikova; Vladimir L. Voznyi; Vladimir Ya. Gayvoronsky; V. Reznichenko; R. Hristosenko

doi:10.1117/12.428320

30 May 2001 Dependence of optical properties of porous silicon on its porosity

M. I. Strashnikova, Vladimir L. Voznyi, Vladimir Ya. Gayvoronsky, V. Reznichenko, R. Hristosenko

Proceedings Volume 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; 44180Y (2001) https://doi.org/10.1117/12.428320
Event: Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 2000, Alushta, Crimea, Ukraine

Abstract

Absorption and refractive index dispersion spectra of porous silicon (por-Si) samples with different porosity were measured for energy interval 1.5-3.5 eV at room temperature. Experimental data were compared with dependencies calculated using Bruggemann formula for dielectric function of multicomponent medium consisted of crystalline silicon. SiO₂, amorphous silicon and voids. The best agreement between experimental data and theory was obtained for the comparatively large concentration of SiO₂ in the por-Si samples.

Citation Download Citation

M. I. Strashnikova, Vladimir L. Voznyi, Vladimir Ya. Gayvoronsky, V. Reznichenko, and R. Hristosenko "Dependence of optical properties of porous silicon on its porosity", Proc. SPIE 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 44180Y (30 May 2001); https://doi.org/10.1117/12.428320

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