Three-dimensional acoustic circuits with coupled resonators in phononic crystals
In this study, we propose the three-dimensional (3D) phononic crystal-based coupled
resonator waveguides (PnCCRWs) for the guidance of acoustic waves along complex …
resonator waveguides (PnCCRWs) for the guidance of acoustic waves along complex …
Observations of Tamm modes in acoustic topological insulators
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 …
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
We investigate the photonic and phononic surface and edge modes in finite-size three-
dimensional phoxonic crystals. By appropriately terminating the phoxonic crystals, the …
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 …
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
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 …
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
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 …
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 …
infinite and semi-infinite superlattices made out of graphene-semiconductor bilayers. In …
Acoustic Tamm states in slender tubes
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 …
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 …
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
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 …
frequency vibration, noise control and reduction in engineering applications. As a result, the …