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2020•AIP conference proceedingsRequires access

The thickness of the surface layer of porous silicon

V.М. Yurov, Е. Н. Еремин, С.А. Гученко, T. K. Zhanabergenov

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Abstract

For the first time, the thickness of the surface layer of porous silicon was determined. Monocrystalline silicon has a layer thickness of about 2 nm. This thickness can be experimentally determined using sliding x-rays in the mode of total internal reflection. The d(I)Si layer of atomically smooth single-crystal silicon is a nanostructure. The number of silicon particles in the monolayer is n=d(I)Si/a ≈ 4. It is shown that, starting from 80% porosity, silicon, by its properties of the d(II)Si layer, goes beyond the Gleiter nanostructure.

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What this paper is about

For the first time, the thickness of the surface layer of porous silicon was determined. Monocrystalline silicon has a layer thickness of about 2 nm. This thickness can be experimentally determined using sliding x-rays in the mode of total internal reflection. The d(I)Si layer of atomically smooth single-crystal silicon is a nanostructure. The number of silicon particles in the monolayer is n=d(I)Si/a ≈ 4. It is shown that, starting from 80% porosity, silicon, by its properties of the d(II)Si layer, goes beyond the Gleiter nanostructure.

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Available abstract

For the first time, the thickness of the surface layer of porous silicon was determined. Monocrystalline silicon has a layer thickness of about 2 nm. This thickness can be experimentally determined using sliding x-rays in the mode of total internal reflection. The d(I)Si layer of atomically smooth single-crystal silicon is a nanostructure. The number of silicon particles in the monolayer is n=d(I)Si/a ≈ 4. It is shown that, starting from 80% porosity, silicon, by its properties of the d(II)Si layer, goes beyond the Gleiter nanostructure.

Key concepts: Monocrystalline silicon, Silicon, Materials science, Porous silicon, Layer (electronics), Monolayer, Nanostructure, Nanocrystalline silicon

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