Piezoelectric nanogenerators (PNGs) have recently received significant attention because of
their great potential for harvesting electricity from wasted mechanical energy resources. In …

Natural materials with hierarchical structures usually have superior mechanical properties.
Herein, inspired by the macro–micro coupling deformation characteristics of biomaterials …

Abstract Flexible three-dimensional (3D) piezoelectric sensors and energy harvesters are in
great demand for wireless and low power consumption human health monitors, artificial …

The additive manufacturing technology facilitates the formation of complex lattice structures
that are difficult to be fabricated by the traditional manufacturing technologies. In order to …

Novel hierarchical origami-corrugation metallic sandwich (HOCM) structures have been
proposed, by replacing the facets of the Miura-Ori patterned foldcore with smaller-scale …

The mechanical properties of nanowires are significantly affected by surface effects. In this
work, we investigate the potential mechanisms of surface residual stress and surface layer …

The fabrication of hierarchical and porous structures holds significant promise in biomedical
science, aerospace, and related fields. Despite advancements in 3D printing technology that …

Piezoelectric metamaterials have received extensive attention in the fields of robotics,
nondestructive testing, energy harvesting, etc. Natural piezoelectric ceramics possess only …

A solution is found to the problem of calculating the electrostatic field induced by a filament
charged with a given linear density and located over a dielectric with a specific functional …