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Creating and investigating the optical and electrophysical properties of a silicon nanocomposite that contains bismuth silicate

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Abstract

A new method is presented for creating a silicon nanocomposite that contains bismuth silicate. The results are shown of a study of the structural, optical, and electrophysical properties of a thin layer of oxidized porous silicon that contains bismuth silicate. X-ray structural studies showed that a bismuth silicate phase is present in this layer. The absorption coefficient of the layer in the wavelength range from 400 to 900 nm was no greater than 70 cm−1. This makes it possible to use it to create optical sensors of the integrated-optics type and in microstructures of silicon photonics. Thermal-activation studies of the composite in the temperature range from 100 to 600 K made it possible to reconstruct the energy distribution function of traps over the activation energy, needed for predicting its optical properties.

© 2016 Optical Society of America

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