Acoustic metamaterials: A review of theories, structures, fabrication approaches, and applications

G Liao, C Luan, Z Wang, J Liu… - Advanced Materials …, 2021 - Wiley Online Library
Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic
artificial structures with specific designs, have drawn significant research attention. This is …

Electromagnetically induced transparency metamaterials: theories, designs and applications

L Zhu, L Dong - Journal of Physics D: Applied Physics, 2022 - iopscience.iop.org
Electromagnetically induced transparency (EIT) stems from a quantum system, where an
opaque atomic medium appears the narrow transparent state within a wide absorption area …

An improved fast plane wave expansion method for topology optimization of phononic crystals

L Xie, B Xia, J Liu, G Huang, J Lei - International Journal of Mechanical …, 2017 - Elsevier
Phononic crystals (PnCs) are artificially made materials composed of periodically arranged
structures capable of manipulating acoustic/elastic wave propagation characteristics. In this …

Robust edge states of planar phononic crystals beyond high-symmetry points of Brillouin zones

B Xia, G Wang, S Zheng - Journal of the Mechanics and Physics of Solids, 2019 - Elsevier
Robust edge states of the phononic crystals (PnCs) with the Dirac points fixed at corners or
centers of the Brillouin zones (BZs) have received wide attentions. Here, we show that the …

[HTML][HTML] Fractal labyrinthine acoustic metamaterial in planar lattices

J Liu, L Li, B Xia, X Man - International Journal of Solids and Structures, 2018 - Elsevier
Labyrinthine acoustic metamaterial provides a flexible and unprecedented ability to
manipulate the sound wave propagation, such as sound blocking, cloaking, supertunneling …

[HTML][HTML] Labyrinthine acoustic metamaterials with triangular self-similarity for low-frequency sound insulation at deep subwavelength dimensions

Y Xin, R Huang, P Li, Q Qian, Q Yan, Y Sun, Q Ding… - Results in Physics, 2023 - Elsevier
Labyrinthine acoustic metamaterials are good choices for realizing sound insulation,
acoustic stealth, and acoustic lenses by virtue of their stable performance and rich modes …

[HTML][HTML] The spiral-labyrinthine acoustic metamaterial by coiling up space

C Liu, B Xia, D Yu - Physics Letters A, 2017 - Elsevier
We design an acoustic metamaterial by coiling up space, namely the spiral-labyrinthine
acoustic metamaterial (SLAM). The transmission coefficient illustrates that the SLAM exhibits …

Labyrinth acoustic metamaterials with fractal structure based on Hilbert curve

Y Xin, R Huang, P Li, H Yan, X Dong, Q Yan… - Physica B: Condensed …, 2023 - Elsevier
Acoustic metamaterials can break the law of mass and manipulate acoustic wave
propagation with a deep subwavelength structure. We designed a labyrinthine acoustic …

Double Dirac cone in two-dimensional phononic crystals beyond circular cells

H Dai, T Liu, J Jiao, B Xia, D Yu - Journal of Applied Physics, 2017 - pubs.aip.org
A double Dirac cone plays a significant role in the design of zero-refractive-index
metamaterials without phase variation and topological insulators with pseudospin states. We …

Weak signals detection by acoustic metamaterials-based sensor

T Chen, D Yu, B Wu, B Xia - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
Weak acoustic signals detection from heavy background noise plays an important role in
different research fields. However, the detection limit, namely the detection capability of …