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Parity Metamaterials and Dynamic Acoustic Mimicry [PDF]
ResearchWhile parity transformation represents a fundamental symmetry operation in physics, its implications remain underexplored in metamaterial science. Here, we introduce a framework leveraging parity transformation to construct parity-inverted counterparts ...
Jinjie Shi +6 more
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Ultra-broadband illusion acoustics for space and time camouflages [PDF]
Nature CommunicationsInvisibility cloaks that can suppress wave scattering by objects have attracted a tremendous amount of interest in the past two decades. In comparison to prior methods that were severely limited by narrow bandwidths, here we present a practical strategy ...
Chenkai Liu +3 more
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Ultra-Thin Metasurface-Based Absorber of Low-Frequency Sound With Bandwidth Optimization
Frontiers in Materials, 2021 We report, both theoretically and experimentally, a type of ultra-thin metasurface-based low-frequency sound absorber with bandwidth optimization. Such a metasurface unit consists of an ultrathin resonator (thickness∼1/90 wavelength) with a circular hole
Yi-jun Guan +9 more
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A monolithic three-dimensional thermal convective acoustic vector sensor with acoustic-transparent heat sink [PDF]
JASA Express Letters, 2022 An acoustic vector sensor can directly detect acoustic particle velocity based on the measured temperature difference between closely spaced heated wires.
Xiang-Yuan Xu +8 more
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In-situ, non-destructive acoustic characterization of solid state electrolyte cells [PDF]
Journal of Power Sources, 2016 Abstract Solid-state electrolytes such as cubic Li6.25Al0.25La3Zr2O12 (LLZO) can enable solid-state batteries, metallic lithium anodes and higher voltage cathodes. However, the stability of cubic LLZO is affected by current density. In beta alumina solid electrolyte, microstructural failure was caused by Na dendrite penetration, and was shown to be a
Schmidt, Robert D., Sakamoto, Jeffrey
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Frontiers in Materials, 2021 The technique of sound insulation has a wide range of potential applications in environment noise control and architectural acoustics. The rapid development of acoustic artificial materials has provided alternative solutions to design sound insulation ...
Jia-he Chen +10 more
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Archives of Acoustics, 2020 49th Winter School on Wave and Quantum Acoustics constituted platforms for sharing the results and achievements obtained in different branches of physical acoustics, as molecular acoustics, quantum acoustics, acousto-optics, magnetoacoustics ...
Dariusz Bismor
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Magnetochemistry, 2023 This paper studied the influence of external electric and magnetic fields on the magnetoelectric properties of layered structures of metal-piezoelectric-metal. The structures under study had the shape of a square 4 mm wide and were obtained in two steps:
Natalia Poddubnaya +4 more
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Frontiers in Physics, 2022 We report the numerical and experimental realization of a type of ultrathin planar wall with low-frequency dual-band sound absorption. The proposed planar wall is constructed by a periodic subwavelength unit cell (with a thickness of λ/19) which consists
Yu-wei Xu +10 more
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Acoustic Tamm states of three-dimensional solid-fluid phononic crystals
The Journal of the Acoustical Society of America, 2018 In this work, the existence and propagation of acoustic Tamm states at the interface of air and a face-centered cubic solid-fluid phononic crystal composed of spherical air voids interconnected by cylindrical air channels are demonstrated. Supercell band structure computations via the finite element method reveal surface bands for Tamm states on (100),
Korozlu, Nurettin +3 more
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