Nonlocal Acoustic Moiré Hyperbolic Metasurfaces

C Han, S Fan, C Li, LQ Chen, T Yang… - Advanced …, 2024 - Wiley Online Library
The discovery of the topological transition in twisted bilayer (tBL) materials has attracted
considerable attention in nano‐optics. In the analogue of acoustics, however, no such …

Review of vortex beam orbital angular momentum mode detection methods

J Lv, C Liu, M Shen, D Wang, G Si, Q Ou - Materials Today …, 2024 - Elsevier
Orbital angular momentum (OAM) is a new physical dimension that has revolutionized
optical communication. This paper presents the common vortex beams (VBs) and the state …

Polaritons in photonic hypercrystals of van der Waals materials

NR Sahoo, B Kumar, SSJ Prasath… - Advanced Functional …, 2024 - Wiley Online Library
Abstract In‐plane Hyperbolic Phonon polaritons (HPhPs) are quasiparticles formed via
coupling of photons and optical phonons in in‐plane hyperbolic materials and offer unique …

Perovskite-structured LaFeO3 modified In2O3 gas sensor with high selectivity and ultra-low detection limit for 2-butanone

F Meng, L Qin, H Gao, H Zhu, Z Yuan - Journal of Alloys and Compounds, 2024 - Elsevier
LaFeO 3 material with excellent performance and unique perovskite structure has attracted
more and more attention in the field of VOC gas detection. However, simultaneously …

Low-temperature and high-selectivity Ag/Co3O4 toluene sensor based on lattice oxygen and d-band and investigation of response behavior shifts induced by Ag …

H Zhu, W Liu, Z Jiang, P Qiu, X Yang, C Siqin… - Sensors and Actuators B …, 2024 - Elsevier
Currently, the sensing mechanism of toluene remains controversial. The sensing action of
toluene is often attributed to adsorbed oxygen based on acknowledged Wolkenstein model …

Robust asymmetric Cherenkov radiation in tilted anisotropic medium

S Xue, Y Xu, L Han, ZN Chen, Q Bao, S Zhu… - Science China Physics …, 2024 - Springer
Cherenkov radiation (CR) is available for a wide variety of terahertz (THz) radiation sources,
but its efficiency is deeply affected by intrinsic losses. We find that if the tilted angle (α) of …

Monolithically Structured van der Waals Materials for Volume-Polariton Refraction and Focusing

Y Wu, J Liu, W Yu, T Zhang, H Mu, G Si, Z Cui, S Lin… - ACS …, 2024 - ACS Publications
Polaritons, hybrid light and matter waves, offer a platform for subwavelength on-chip light
manipulation. Recent works on planar refraction and focusing of polaritons all rely on …

Visual Gustation via Regulable Elastic Photonic Crystals

X **e, S Zheng, Y Liu, Y Tang, Z Zhang… - … Applied Materials & …, 2024 - ACS Publications
The unique structural sensitivity of photonic crystals (PCs) endows them with stretchable or
elastic tunability for light propagation and spontaneous emission modulation. Hydrogel PCs …