Controlling Phase-Coherent Electron Transport in III-Nitrides: Toward Room Temperature Negative Differential Resistance in AlGaN/GaN Double Barrier Structures - Wang, Ding; Chen, Zhaoying; Su, Juan; Tao Wang; Zhang, Baoqing; Rong, Xin; Wang, Ping; Tan, Wei; Guo, Shiping; Jian Zhang; others (Advanced Functional Materials, 2020)