M. Al-sheikh, Adnan, Mumtaz M. Hussien, and Siham J. Abdullah. “Pressure and Temperature Dependence of Energy Gap in SiC and Si1-XGex”. Rafidain Journal of Science 28, no. 4 (December 1, 2019): 53–61. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/rsci/article/view/46468.