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 …

In the past decades, many mechanical metamaterials with uncommon static properties have
been reported. On the other hand, mechanical metamaterials possessing extraordinary …

Despite their engineering significance, locally resonant metamaterials are facing the
challenge to cope with the need for broad-range band gap adjustment at low-frequencies …

Complex engineering applications have created an increasing demand for engineering
structures or materials with multiple desired properties. In this context, metamaterials …

Inertial amplification has been utilized in phononic media as a mechanism for the generation
of large band gaps at low subwavelength frequencies. A unique feature in an inertial …

Making materials lightweight while attaining a desirable combination of mechanical, thermal,
and other physical properties is the “holy grail” of material science. Lattice materials …

The aim of this study is to design a two-dimensional solid structure with embedded inertial
amplification mechanisms that shows an ultrawide stop band (band gap) at low frequencies …

Abstract 2D metamaterials have immense potential in acoustics, optics, and electromagnetic
applications due to their unique properties and ability to conform to curved substrates. Active …

Elastic metamaterials with local resonance bandgaps are promising for low-frequency
vibration mitigation. However, such locally resonant metamaterials inherently possess …

In recent decades, material performances improved by the discovery of new bulk materials
have slowed down. By contrast, novel and unprecedented material properties have been …