This broad review summarizes recent advances and “hot” research topics in nanophononics
and elastic, acoustic, and mechanical metamaterials based on results presented by the …

Shape morphing is one of the most attractive functionalities of materials that are desired in
many applications, including robotic grippers, medical stents, wearable electronics, and so …

Insect wings are formed by intricate combinations of flexible membranes and rigid veins;
such a structure enables excellent flight performance, adaptability to aerodynamic forces …

This study focuses on the application of the meta-lattice structures for the energy conversion
enhancement in piezoelectric energy harvesters. Three auxetic patterns are designed …

Metaplates, ie 2D extruded structures made by a periodic repetition of unit cells that exhibit a
complete and wide 3D bandgap, are attracting increasing interest thanks to the variety of …

Phononic materials are artificial composites with unprecedented abilities to control acoustic
waves in solids. Their performance is mainly governed by their architecture, determining …

Phononic crystal is a type of periodic artificial structure in which the elastic waves can be
controlled. However, the immutable dynamic characteristics of fabricated phononic crystals …

Waveguides realized by defected phononic crystals or topological metamaterials possess
strong abilities of energy flux rectifying, but suffer from great challenges in practical …

The band-gap frequencies of elastic metamaterials are ideally determined by a metamaterial
architecture; yet, in practical situations, are often dependent on the material dam** in their …

In the present paper, an auxetic tape composed of modified star-shaped unit cells is used to
filter the propagation of elastic waves in two-dimensional structures. The pattern of the …