B. Mounika, J. Ajayan, Ribu Mathew, Srinivasa Rao Karumuri, Asisa Kumar Panigrahy. "Step-graded AlGaN barrier engineering in AlGaN/GaN HEMTs for high-linearity low-noise RF amplifiers." Scientific Reports, 2026. doi:10.1038/s41598-026-61548-w