Thin SiC and Gan-Based Films and Structures: Production and Properties

Abstract:

The article describes the methods for producing thin films and structures based on SiC, GaN and their SiC – AlN and Al – GaN solid solutions, as well as mathematical models of film growth and properties-behavior of the I–V characteristics of heterostructures. Two models were developed for producing thin films and heterostructures based on SiC, GaN and their solid solutions. The first model makes it possible to determine the sputtering coefficient when producing films by high-frequency magnetron sputtering. In the second quantum-mechanical model, the equation for the gap of the mean field of condensate was built and the growth rate of a film on the crystalline substrate was determined. The current-voltage characteristic of the transistor based on the AlGaN / GaN heterosystem was provided. The models for the growth of heterostructure films made it possible to modify the technologies for producing perfect SiC crystals and SiC – AlN solid solutions. It was possible to offer a pilot plant for growing SiC crystals with improved control over the modes of induction high-temperature heating of the growth crucible.

• Periodical: Key Engineering Materials (Volume 909)
• Pages: 156-161
• DOI: https://doi.org/10.4028/p-uvvw11
• Online since: February 2022
• Authors: A.V. Sankin, V.I. Altukhov, Z.I. Dadasheva*
• Keywords: AlN, GaN, Heterostructures, Mathematical Models, SiC, Thin Sic

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