Nanograting layers of Si.

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ID: 66559
2020
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Abstract
The paper presents research regarding the complex behavior of materials based on Si and SiO, geometrically processed at nano-scale. The geometry, which induces the doping effect (G-doping), occurred when it was possible to fabricate nanograting structures. Studies on the influence of nanograting structures on the properties of materials have shown that this process may lead to effects similar to those created by doping with donors. The resistivity values measured in Si-based nanograting layers, for example, were approximately 10 Ω cm, similar to those of Si semiconductors doped with phosphorus 'impurities' having a volume concentration of 10 cm. This increase in electronic properties, as a result of the nanograting structure, seems to appear due to the fact that the electrons rejected in the process are placed in the structure vacancies. It has been experimentally proven that, in the case of semiconductors, the nanograting structuring makes the rejected electrons from the valence band to be placed in the conduction band. In the paper, after samples fabrication with nanograting structures on Si films placed on SiO support, the I-V curves of the obtained layers were drawn, both by measuring in four points and also in two points. The resistivity measurements were made in two directions: along and perpendicular to the strips of the structure and showed the existence of an anisotropy.
Reference Key
samoila2020nanogratingnanotechnology Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Samoila, Cornel;Ursutiu, Doru;Tavkhelidze, Avtandil;Jangidze, Larissa;Taliashvili, Zakhari;Skhiladze, Givi;Tierean, Mircea;
Journal Nanotechnology
Year 2020
DOI
10.1088/1361-6528/ab4889
URL
Keywords
mos2 kpfm mocvd sns van der waals heterojunction

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