Tunable 2H–TaSe<sub>2</sub> room-temperature terahertz photodetector

Tunable 2H–TaSe₂ room-temperature terahertz photodetector

Wang Jin^{1, 2}, Guo Cheng^{2, 3}, Guo Wanlong^{2, 3}, Wang Lin^{2, 3, †}, Shi Wangzhou^{1, ‡}, Chen Xiaoshuang^{2, 3, §}

(a) The image of the device under the microscope. (b) AFM image of the FET device. (c) The Raman spectrum of the 2H–TaSe₂ FET. (d) The schematic cross section and equivalent circuit of the detector.