Zehui Li, JunShuai Xue, GuanLin Wu, Yao Li, JiaJia Yao, JinYuan Yuan, Haoran Hu, Linjie Yang, Yuying Zhang, Chenkai Zhang, Xinyan Liu, Yumin Zhang, Jianfeng Wang, Ke Xu, Jincheng Zhang, Yue Hao. "Record low sheet resistance in homoepitaxial N-polar AlN/GaN heterostructures using digital-alloy barrier by plasma-assisted molecular beam epitaxy." Applied Physics Letters, 2026. doi:10.1063/5.0324759