T. M. Al Tahtamouni, A. Sedhain, J. Y. Lin, and H. X. Jiang. “Beryllium Doped P-Type GaN Grown by Metal-Organic Chemical Vapor Deposition”. Jordan Journal of Physics, vol. 3, no. 2, Apr. 2025, https://jjp.yu.edu.jo/index.php/jjp/article/view/932.