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 …

With the growing interest in the field of artificial materials, more advanced and sophisticated
functionalities are required from phononic crystals and acoustic metamaterials. This implies …

Abstract Machine learning (ML), as a component of artificial intelligence, encourages
structural design exploration which leads to new technological advancements. By …

Mechanical metamaterials, also known as architected materials, are rationally designed
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …

Physically unclonable functions (PUFs) are a class of hardware-specific security primitives
based on secret keys extracted from integrated circuits, which can protect important …

Flexible manipulation of elastic and acoustic waves through phononic meta-structured
materials (PMSMs) has attracted a lot of attention in the last three decades and shows a …

Acoustic metasurface has become one of the most promising platforms for manipulating
acoustic waves with the advantage of ultra-thin geometry. The conventional design method …

Inversely designing and optimizing topological structures of phononic crystals that dominate
extraordinary wave characteristics has become a research hotspot. In this study, a joint …

The advent of the acoustic metasurfaces offered an unprecedented expansion of our ability
to manipulate and structure sound waves for many exotic functionalities. However, the …

Electromagnetic resonance is the most important distinguishing property of metamaterials to
examine many unusual phenomena. The resonant response of metamaterials can depend …