In solid state physics, a bandgap (BG) refers to a range of energies where no electronic
states can exist. This concept was extended to classical waves, spawning the entire fields of …

The introduction of engineered resonance phenomena on surfaces has opened a new
frontier in surface science and technology. Pillared phononic crystals, metamaterials, and …

Two-dimensional phononic metamaterials, consisting of plates with resonant cylinders, can
significantly attenuate waves by opening a subwavelength bandgap, though their …

Piezoelectric energy harvesting has attracted tremendous interest for designing sustainable
self-powered devices/systems targeted to special environment such as wireless or wearable …

Acoustic metamaterial science is an emerging field at the frontier of modern acoustics. It
provides a prominent platform for acoustic wave control in subwavelength-sized …

Phononic crystals and acoustic metamaterials are periodic structures whose effective
properties can be tailored at will to achieve extreme control on wave propagation. Their …

Broadband attenuation of low frequency acoustic waves in compact structure designs is a
challenging issue, especially in the application to seismic waves. In this work, we propose a …

High‐performance thermoelectric materials have attracted immense interest due to the
capability of directly converting thermal energy into electrical energy. The correlation and …

How to endow diverse functions for lightweight structures without increasing mass has
always been a major challenge (eg, to have simultaneous high static stiffness and extreme …

The use of phononic crystals and elastic metamaterials has been a significant concern as an
efficient approach to attenuate the surface waves of ambient vibration and seismic vibration …