In this paper, a broadband terahertz absorber based on the Dirac‐semimetal AlCuFe is proposed. A classic metal–dielectric–metal (MIM) sandwich structure is adopted, consisting of a periodic AlCuFe pattern on the top, a silica dielectric spacer in the middle, and a gold reflective film at the bottom. When the Fermi leve...
Zhong-Yang Jin, Jian Li, Yan-Hong Xiang et al.· Microwave and optical techno...· 0 citations
Terahertz waves combine the dual characteristics of electronics and photonics and boast tremendous application potential in fields including nondestructive testing, telecommunications and biochemical sensing. Natural materials generally interact weakly with terahertz waves. In contrast, the reversible metal–insulator t...
Si-Wen Zhang, Jun Zhu, Zao Yi et al.· Micromachines· 0 citations
This paper proposes an ultra‐broadband terahertz absorber featuring a composite‐patterned monolayer graphene metasurface. By structurally combining a centrally perforated elliptical array with adjacent slotted strips, the absorber achieves a continuous working band from 2.18 to 6.32 THz, with a relative bandwidth of...
Si-Qi Li, Li Liu, Yong Zhang et al.· International journal of num...· 0 citations
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