Tunable Photoresponse in 2D WTe2/MoS2 Van der Waals Heterojunctions

L Li, G Zhang, H Wu, L Yang, P Gao… - The Journal of …, 2021 - ACS Publications
Weyl semimetals haveattracted extensive research interests due to their unique topological
properties. However, photoelectric devices based on pristine semimetals with large …

Ultrasensitive Self‐Driven Terahertz Photodetectors Based on Low‐Energy Type‐II Dirac Fermions and Related Van der Waals Heterojunctions

K Zhang, Z Hu, L Zhang, Y Chen, D Wang, M Jiang… - Small, 2023 - Wiley Online Library
The exotic electronic properties of topological semimetals (TSs) have opened new pathways
for innovative photonic and optoelectronic devices, especially in the highly pursuit terahertz …

Tunable terahertz metamaterial absorber based on Dirac semimetal films

T Wang, M Cao, H Zhang, Y Zhang - Applied Optics, 2018 - opg.optica.org
In this paper, the tunable properties of metamaterial absorbers based on 3D Dirac
semimetal films (DSFs) in the terahertz (THz) regime are discussed in theory. We consider …

Non-contact, highly sensitive sugar concentration detection based on a Co3Sn2S2 Weyl semimetal thin film sensor by terahertz wave

H Lin, Z Zhang, F Gao, J Ruan, D Sun, S Hou… - Biomedical Optics …, 2024 - opg.optica.org
Blood sugar is an important biomedical parameter of diabetic patients. The current blood
sugar testing is based on an invasive method, which is not very friendly for patients who …

Tunable high-Q metasurface for terahertz optical switching and sensing

K Deng, Y Gao, Y Gao, X Fan, T Wu - Optik, 2023 - Elsevier
We designed a metasurface for sensing and optical switching using an E-shaped bulk Dirac
semimetal (BDS). The numerical results show that an extremely narrow Fano resonance can …

Perfect adjustable absorber based on Dirac semi-metal high sensitivity four-band high frequency detection

W Lu, P Wu, L Bian, J Yan, Z Yi, M Liu, B Tang… - Optics & Laser …, 2024 - Elsevier
In this paper, we propose a highly sensitive, four-band, high-frequency detector with a
perfectly tunable absorber based on Dirac semimetals. The design architecture relies on a …

Far-infrared detection using Weyl semimetals

C Ching-Kit, N LINDNER, G REFAEL… - US Patent …, 2018 - Google Patents
The generation of photocurrent in an ideal two-dimensional Dirac spectrum is symmetry
forbidden. In sharp contrast, a three-dimensional Weyl semimetal can generically support …

Dirac semimetals based tunable narrowband absorber at terahertz frequencies

GD Liu, X Zhai, HY Meng, Q Lin, Y Huang, CJ Zhao… - Optics express, 2018 - opg.optica.org
In this paper, a bulk Dirac semimetals (BDSs) based tunable narrowband absorber at
terahertz frequencies is proposed and it has the attractive property of being polarization …

Microtopography-guided chessboard-like structure for a broadband terahertz absorber

T Li, H Chen, HA Sun, X Yang, X Sun… - ACS Applied …, 2022 - ACS Publications
Broadband absorber in the terahertz frequency is highly required for applications in imaging,
detecting, and electromagnetic stealth. The limitations for developing the absorber are not …

Optical-Transparent self-assembled MXene film with high-efficiency terahertz reflection modulation

T Feng, W Huang, H Zhu, X Lu, S Das… - ACS applied materials & …, 2021 - ACS Publications
The modulation of the terahertz (THz) wave is fundamental for its applications in next-
generation communications, biological imaging, sensing, and so forth. Searching for higher …