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[Analysis Case] Structural Analysis of Amorphous SiNx Films Using Molecular Dynamics Calculations

Microscopic structural analysis of amorphous films is possible through simulation.

Amorphous SiNx (a-SiNx) films exhibit significant changes in physical properties from semiconductors to insulators due to compositional variations such as the N/Si ratio, making them suitable for a wide range of applications, including gate insulating films for transistors. On the other hand, experimental methods capable of atomic-level microscopic structural analysis for materials with non-crystalline amorphous structures are limited. Therefore, creating and analyzing amorphous structures with various compositions and densities through simulation becomes an effective tool. This document presents examples of structural analysis of a-SiNx films using molecular dynamics calculations.