Ultrasensitive tunable terahertz sensor based on five-band perfect absorber with Dirac semimetal

J Luo, Q Lin, L Wang, S Xia, H Meng, X Zhai - Optics Express, 2019 - opg.optica.org
For non-invasive detection, terahertz (THz) sensing shows more promising performance
compared to visible and infrared regions. But so far, figure of merit (FOM) of THz sensor has …

Low-Power Polarization Sensitive Terahertz Photodetection Driven by Ternary Type-II Weyl Semimetal NbIrTe4

L Yang, D Wang, Z Dong, Y Zhang… - IEEE Electron …, 2023 - ieeexplore.ieee.org
Type-II Weyl semimetals have emerged as ideal candidate materials for terahertz (THz)
photodetection due to the high mobility, intrinsic anisotropy and topological band structure …

PtTe2‐Based Type‐II Dirac Semimetal and Its van der Waals Heterostructure for Sensitive Room Temperature Terahertz Photodetection

H Xu, C Guo, J Zhang, W Guo, CN Kuo, CS Lue, W Hu… - Small, 2019 - Wiley Online Library
Recent years have witnessed rapid progresses made in the photoelectric performance of
two‐dimensional materials represented by graphene, black phosphorus, and transition …

A Wide‐Range Photosensitive Weyl Semimetal Single Crystal—TaAs

S Chi, Z Li, Y Xie, Y Zhao, Z Wang, L Li, H Yu… - Advanced …, 2018 - Wiley Online Library
Mid‐and even long‐infrared photodetection is highly desired for various modern
optoelectronic devices, and photodetectors that operate at room temperature (RT) remain …

Anisotropic Broadband Photoresponse of Layered Type‐II Weyl Semimetal MoTe2

J Lai, X Liu, J Ma, Q Wang, K Zhang, X Ren… - Advanced …, 2018 - Wiley Online Library
Photodetectors based on Weyl semimetal promise extreme performance in terms of highly
sensitive, broadband and self‐powered operation owing to its extraordinary material …

Weyl-Semimetal TaIrTe4/Si Nanostructures for Self-Powered Schottky Photodetectors

L Zhang, X Han, P Wen, S Zhang, Z Zheng… - ACS Applied Nano …, 2022 - ACS Publications
Weyl semimetal-based photodetectors have attracted great attention due to their high
performance in fast, self-powered, and ultra-broad-band photodetection. However, the …

Selective Growth of Type‐II Weyl‐Semimetal and Van der Waals Stacking for Sensitive Terahertz Photodetection

Y He, L Yang, Z Hu, L Zhang, X Pan… - Advanced Functional …, 2024 - Wiley Online Library
The emergence of novel topological semimetal materials, accompanied by exotic non‐
equilibrium properties, not only provides a fertile playground for a fundamental level of …

[HTML][HTML] Enhancement of terahertz response in a microstructure-integrated-type-II Dirac semimetal

X Lv, K Zhang, M Jiang, S Zhang, L Zhang, L Han… - AIP Advances, 2023 - pubs.aip.org
Terahertz detection technology has been confronted with formidable impediments, notably
the paucity of sensitivity and operating temperature for photodetectors based on traditional …

Four-band terahertz perfect-absorption and high-sensitivity sensor based on tunable Dirac semimetal

X Du, B Hou, Y Zhang, Q Song, Z Yi - Diamond and Related Materials, 2024 - Elsevier
In this paper, we designed a dynamically tunable four-band perfect sensor based on bulk
Dirac semimetal (BDS). The sensor comprises a top BDS layer, a bottom Au layer, and an …

A Weyl semimetal WTe2/GaAs 2D/3D Schottky diode with high rectification ratio and unique photocurrent behavior

J Wang, H Wang, Q Chen, L Qi, Z Zheng, N Huo… - Applied Physics …, 2022 - pubs.aip.org
Since the discovery of Dirac semimetal graphene, two-dimensional (2D) Weyl semimetals
(WSMs) have been widely used in low-energy photon detection, polarization imaging, and …