Optical and transport proprieties of γ-NaBeAs half-Heusler material for green energy harvesting applications DOI
Y. Toual, S. Mouchou,

B. Fakrach

et al.

Physica B Condensed Matter, Journal Year: 2025, Volume and Issue: unknown, P. 417135 - 417135

Published: March 1, 2025

Language: Английский

Ultrathin broadband terahertz metamaterial based on single-layer nested patterned graphene DOI
Zhipeng Li, Shubo Cheng, Huafeng Zhang

et al.

Physics Letters A, Journal Year: 2025, Volume and Issue: unknown, P. 130262 - 130262

Published: Jan. 1, 2025

Language: Английский

Citations

43
Perfect absorption properties of a near-infrared super-surface perfect absorber based on a multilayer subwavelength array structure DOI
Yujie Wang, Zhimin Liu, Fengqi Zhou

et al.

Physics Letters A, Journal Year: 2025, Volume and Issue: unknown, P. 130395 - 130395

Published: Feb. 1, 2025

Language: Английский

Citations

6
Dynamic Optical Tuning and Sensing in L-Shaped Dirac Semimetal-Based Terahertz Metasurfaces DOI
Baowei Zhang, Yi Luo

Physics Letters A, Journal Year: 2025, Volume and Issue: unknown, P. 130419 - 130419

Published: March 1, 2025

Language: Английский

Citations

5
Ultra-broadband Absorber and Near-perfect Thermal Emitter based on Multi-layered Grating Structure Design DOI

Haoran Yuan,

Zhiyou Wang, Tangyou Sun

et al.

Energy, Journal Year: 2025, Volume and Issue: unknown, P. 134594 - 134594

Published: Jan. 1, 2025

Language: Английский

Citations

4
Terahertz bands multifunctional metamaterial transmission-absorption switching device based on vanadium dioxide DOI
Xinmei Wang, Xiaoyong He, Chaojun Tang

et al.

Dalton Transactions, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

In this paper, a vanadium dioxide (VO2)-based terahertz device is proposed to realize the conversion between broadband absorption and transmission functions, including VO2 bottom layer, dielectric layer pattern in three-layer structure. With change of conductivity, metamaterial can switch transmission. When exhibits transmission, it has high transmittance 90% for waves 5.6 THz 8.7 frequency band. absorption, 3.66 9.98 Furthermore, with increasing peak decreases from 93.8% 0% increases 1% 99.5%. The impedance matching theory invoked physical mechanism elucidated by analyzing surface electric field device. By studying characteristics different incidence polarization angles, insensitive good performance over large angles. Compared other absorbers metamaterials, structure study unique design diverse functions play an important role various fields such as communications, electromagnetic stealth, sensors, thermal emission devices.

Language: Английский

Citations

3
Actively Tunable Multi-Frequency Narrowband Terahertz Absorber Using Graphene Metamaterials DOI
Zan Li, Qianju Song, Lei Jia

et al.

Optics Communications, Journal Year: 2025, Volume and Issue: unknown, P. 131768 - 131768

Published: March 1, 2025

Language: Английский

Citations

2
A fully symmetric solar absorber for thermophotovoltaic power generation DOI
Dongyang Yan, Chaojun Tang, Zao Yi

et al.

Physics Letters A, Journal Year: 2025, Volume and Issue: unknown, P. 130461 - 130461

Published: March 1, 2025

Language: Английский

Citations

2
Localized Effects in Graphene Oxide Systems: A Pathway to Hyperbolic Metamaterials DOI Creative Commons
Grazia Giuseppina Politano

Photonics, Journal Year: 2025, Volume and Issue: 12(2), P. 121 - 121

Published: Jan. 29, 2025

Graphene oxide (GO) has emerged as a carbon-based nanomaterial providing different pathway to graphene. One of its most notable features is the ability partially reduce it, resulting in graphene-like sheets through elimination oxygen-including functional groups. In this paper, effect localized interactions an Ag/GO/Au multilayer system was studied explore potential for photonic applications. GO dip-coated onto magnetron-sputtered silver, followed by deposition thin gold film form structure. Micro-Raman Spectroscopy, SEM and Variable Angle Ellipsometry (VASE) measurements were performed on An interesting behavior deposited silver with formation Ag nanostructures top layer reported. addition typical bands, analysis reveals peaks such 1478 cm−1 band, indicating transition from sp3 sp2 hybridization, confirming partial reduction GO. Additionally, calculations based effective medium theory (EMT) highlight Ag/GO structures hyperbolic metamaterials photonics. The exhibits dielectric up 323 nm, transitions type I HMM between 400 nm undergoes Epsilon Near Zero Pole (ENZP) at II behavior.

Language: Английский

Citations

1
Design of a Tunable Metamaterial Absorption Device with an Absorption Band Covering the Mid-Infrared Atmospheric Window DOI Creative Commons
Zhong He, Dong Fang,

Yougen Yi

et al.

Photonics, Journal Year: 2025, Volume and Issue: 12(2), P. 148 - 148

Published: Feb. 12, 2025

We propose a highly efficient broadband tunable metamaterial infrared absorption device. The design is modeled using the three-dimensional finite element method for results show that device captures over 90% of light in wavelength range from 6.10 μm to 17.42 μm. utilize VO2’s phase change property adjust device, allowing average level vary between 20.61% and 94.88%. In this study, we analyze electromagnetic field distribution at its peak point find high achieved through both surface plasmon resonance Fabry–Perot cavity resonance. structural parameters are fine-tuned parameter scanning. By comparing our work with previous studies, demonstrate superior performance design. Additionally, investigate polarization angle incident it insensitive these factors. Importantly, simple structure broadens potential uses photodetection, stealth, sensing.

Language: Английский

Citations

1
Auxetic crack-based wearable strain sensor designed for sustainable conformal contact DOI

Nakung Kim,

Sua Park,

Min‐cheol Kim

et al.

Sensors and Actuators A Physical, Journal Year: 2025, Volume and Issue: unknown, P. 116429 - 116429

Published: March 1, 2025

Language: Английский

Citations

1