A phononic crystal suspension for vibration isolation of acoustic loads in underwater gliders

S Yang, H Chang, Y Wang, M Yang, T Sun - Applied Acoustics, 2024 - Elsevier
Currently, it is a common practice to apply underwater gliders with acoustic loads for
hydroacoustic detection, but the self-noise of the vehicle inevitably interferes with signal …

Simultaneous occurrence of structure-directed and particle-resonance-induced phononic gaps in colloidal films

T Still, W Cheng, M Retsch, R Sainidou, J Wang… - Physical review …, 2008 - APS
We report on the observation of two hypersonic phononic gaps of different nature in three-
dimensional colloidal films of nanospheres using Brillouin light scattering. One is a Bragg …

Numerical design of Alberich anechoic coatings with superellipsoidal cavities of mixed sizes

SM Ivansson - The Journal of the Acoustical Society of America, 2008 - pubs.aip.org
Thin rubber coatings with cavities in a doubly periodic lattice are able to reduce reflections of
underwater sound by redistributing normally incident energy such that absorption in the …

On the coupling of resonance and Bragg scattering effects in three-dimensional locally resonant sonic materials

B Yuan, VF Humphrey, J Wen, X Wen - Ultrasonics, 2013 - Elsevier
Three-dimensional (3D) locally resonant sonic materials (LRSMs) are studied theoretically
for purpose of optimising their sub-wavelength performance by coupling resonance and …

Absorptive properties of three-dimensional phononic crystal

H Zhao, Y Liu, D Yu, G Wang, J Wen, X Wen - Journal of sound and …, 2007 - Elsevier
We consider the absorptive properties of three-dimensional phononic crystal (PC)
composed of steel spheres arranged in viscoelastic rubber. The mode conversions during …

The “Music” of core− shell spheres and hollow capsules: Influence of the architecture on the mechanical properties at the nanoscale

T Still, R Sainidou, M Retsch, U Jonas, P Spahn… - Nano …, 2008 - ACS Publications
We report on the first measurement of elastic vibrational modes in core− shell spheres
(silica− poly (methyl methacrylate), SiO2− PMMA) and corresponding spherical hollow …

Eigenvibrations of submicrometer colloidal spheres

T Still, M Mattarelli, D Kiefer, G Fytas… - The Journal of …, 2010 - ACS Publications
Brillouin light scattering (BLS) can record particle resonances, which allow access to
thermomechanical properties on a submicrometer scale. The full theoretical representation …

Absolute spectral gaps for infrared light and hypersound in three-dimensional metallodielectric phoxonic crystals

N Papanikolaou, IE Psarobas, N Stefanou - Applied Physics Letters, 2010 - pubs.aip.org
By means of full electrodynamic and elastodynamic multiple-scattering calculations we study
the optical and acoustic properties of three-dimensional lattices of metallic nanospheres …

Surface acoustic waves in finite slabs of three-dimensional phononic crystals

R Sainidou, B Djafari-Rouhani, JO Vasseur - Physical Review B—Condensed …, 2008 - APS
We study theoretically, by means of layer-multiple-scattering techniques, the propagation of
elastic waves through finite slabs of phononic crystals consisting of metallic spheres in a …

Colloidal systems: a promising material class for tailoring sound propagation at high frequencies

T Still, W Cheng, M Retsch, U Jonas… - Journal of Physics …, 2008 - iopscience.iop.org
In this paper we report on the phononic properties of mesoscopic colloidal materials. Using
high resolution Brillouin light scattering (BLS) the resonance modes of submicron particles …