Growth-temperature-dependent oxygen vacancy engineering and optical properties of Ga2S3-Ga2O3 composite films via thermal oxidation

Key Points

• Oxygen vacancies enhance the optical properties of Ga2S3-Ga2O3 composite films, providing critical insights into material behavior.
• The optical analysis showed significant variation in properties across different growth temperatures, indicating a strong temperature dependence.
• Observational analysis through thermal oxidation processes helped establish how oxygen vacancies influence the optical characteristics.
• Overall, this work highlights the potential for optimizing composite films in optoelectronic applications; further investigation is warranted.