Three-dimensional acoustic circuits with coupled resonators in phononic crystals

TX Ma, XS Li, XL Tang, XX Su, C Zhang… - Journal of Sound and …, 2022 - Elsevier
In this study, we propose the three-dimensional (3D) phononic crystal-based coupled
resonator waveguides (PnCCRWs) for the guidance of acoustic waves along complex …

Observations of Tamm modes in acoustic topological insulators

D Liao, Z Yue, Z Zhang, HX Wang, Y Cheng… - Applied Physics …, 2022 - pubs.aip.org
The existence of topologically protected boundary states in the Su–Schrieffer–Heeger (SSH)
model has been widely explored in various systems in the past decades. On the other hand …

Photonic and phononic surface and edge modes in three-dimensional phoxonic crystals

TX Ma, YS Wang, C Zhang - Physical Review B, 2018 - APS
We investigate the photonic and phononic surface and edge modes in finite-size three-
dimensional phoxonic crystals. By appropriately terminating the phoxonic crystals, the …

Surface acoustic waves in one-dimensional piezoelectric-metallic phononic crystal: Effect of a cap layer

M Alami, EH El Boudouti, B Djafari-Rouhani… - Ultrasonics, 2018 - Elsevier
We study the propagation of transverse acoustic waves associated with the surface of a semi-
infinite superlattice (SL) composed of piezoelectric-metallic layers and capped with a …

Broad omnidirectional acoustic band gaps in a three-dimensional phononic crystal composed of face-centered cubic Helmholtz resonator network

A Bicer, N Korozlu, OA Kaya, A Cicek - The Journal of the Acoustical …, 2021 - pubs.aip.org
Broad omnidirectional band gaps in a three-dimensional phononic crystal consisting of a
face-centered cubic array of spherical air voids connected by cylindrical conduits in solid …

Self-collimation and slow-sound effect of spoof surface acoustic waves

N Korozlu, OA Kaya, A Cicek, B Ulug - Journal of Applied Physics, 2019 - pubs.aip.org
Self-collimated propagation and slow-sound effect of spoof acoustic surface waves over a
thin solid slab with partially embedded spherical cavities in a square lattice are numerically …

[HTML][HTML] Graphene-based one-dimensional terahertz phononic crystal: Band structures and surface modes

I Quotane, EH El Boudouti, B Djafari-Rouhani - Nanomaterials, 2020 - mdpi.com
In this paper, we provide a theoretical and numerical study of the acoustic properties of
infinite and semi-infinite superlattices made out of graphene-semiconductor bilayers. In …

Acoustic Tamm states in slender tubes

S Khattou, M Amrani, A Mouadili… - Materials Today …, 2021 - Elsevier
We present an analytical and numerical study of the possibility of existence of surface
localized modes, the so-called Tamm states, in a one-dimensional (1D) comb-like phononic …

Distinct Tamm and Shockley surface states on Re (0001) mixed by spin-orbit interaction

M Holtmann, P Krüger, K Miyamoto, T Okuda, PJ Grenz… - Physical Review B, 2022 - APS
Tamm and Shockley states, these two paradigmatic concepts are used to describe surface
states not only in electronic systems but also in photonic and phononic crystals. The Re …

[PDF][PDF] Effects of microcavity local resonators on the bandgap characteristics of a two-dimensional phononic crystal structure

R Amuaku, W Huabing, EA Asante, A Buckman - Adv. Appl. Sci., 2019 - academia.edu
The emergence of acoustic metamaterials generated a lot of attention in the study of low-
frequency vibration, noise control and reduction in engineering applications. As a result, the …