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Excitation and detection of acoustic phonons in nanoscale systems
Phonons play a key role in the physical properties of materials, and have long been a topic
of study in physics. While the effects of phonons had historically been considered to be a …
of study in physics. While the effects of phonons had historically been considered to be a …
Actively controllable topological phase transition in homogeneous piezoelectric rod system
By employing periodic electrical boundary conditions, an innovative method to generate
actively tunable topologically protected interface mode in a “homogeneous” piezoelectric …
actively tunable topologically protected interface mode in a “homogeneous” piezoelectric …
Review and prospects of metamaterials used to control elastic waves and vibrations
H Dai, X Zhang, Y Zheng, W Pei, R Zhou, R Liu… - Frontiers in …, 2022 - frontiersin.org
Acoustic metamaterials, artificial composite structures with exotic material properties used to
control elastic waves, have become a new frontier in physics, materials science, engineering …
control elastic waves, have become a new frontier in physics, materials science, engineering …
Tunable anti-plane wave bandgaps in 2D periodic hard-magnetic soft composites
In this paper, we present a theoretical model for the analysis of large magneto-deformation
and the anti-plane shear wave bandgaps in 2D periodic two-phase hard magnetic soft …
and the anti-plane shear wave bandgaps in 2D periodic two-phase hard magnetic soft …
High-frequency topological corner and edge states in elastic honeycomb plates
Higher-order topological insulators (HOTIs) have attracted considerable attention because
of their topological properties of low-dimensional topological corner states and edge states …
of their topological properties of low-dimensional topological corner states and edge states …
Optimal quantum valley Hall insulators by rationally engineering Berry curvature and band structure
We propose the concept of” optimal quantum valley Hall insulators” and formulate it to an
optimization formulation. In this new design paradigm, mechanical valley Hall insulators with …
optimization formulation. In this new design paradigm, mechanical valley Hall insulators with …
Elastic three-dimensional phononic topological insulators with Dirac hierarchy
SY Huo, QS Yang, JJ Chen, HK Li, LC Yao… - Science China Physics …, 2024 - Springer
Abstract Three-dimensional (3D) phononic topological insulators (TIs) featuring two-
dimensional (2D) surface states and one-dimensional (1D) hinge states have opened up a …
dimensional (2D) surface states and one-dimensional (1D) hinge states have opened up a …
3D printed architected hollow sphere foams with low-frequency phononic band gaps
We experimentally and numerically investigate elastic wave propagation in a class of
lightweight architected materials composed of hollow spheres and binders. Elastic wave …
lightweight architected materials composed of hollow spheres and binders. Elastic wave …
Topological beam-splitting in photonic crystals
We create a passive wave splitter, created purely by geometry, to engineer three-way beam
splitting in electromagnetism in transverse electric and magnetic polarisation. We do so by …
splitting in electromagnetism in transverse electric and magnetic polarisation. We do so by …
Low frequency and wide band gap metamaterial with divergent shaped star units: Numerical and experimental investigations
Accomplishing low frequency and wide bandgaps with a single phase metamaterial remains
a challenging task. In this work, we propose a single phase acoustic metamaterial having …
a challenging task. In this work, we propose a single phase acoustic metamaterial having …