Recent advances in triboelectric nanogenerators: from technological progress to commercial applications

D Choi, Y Lee, ZH Lin, S Cho, M Kim, CK Ao, S Soh… - ACS …, 2023 - ACS Publications
Serious climate changes and energy-related environmental problems are currently critical
issues in the world. In order to reduce carbon emissions and save our environment …

Analytical and experimental study of a metamaterial beam with grading piezoelectric transducers for vibration attenuation band widening

Y Jian, G Hu, L Tang, W Tang, M Abdi, KC Aw - Engineering Structures, 2023 - Elsevier
This paper analytically and experimentally investigates the potential of a piezoelectric
metamaterial beam with a spatial grading pattern for broadband vibration attenuation …

Space–time wave localization in electromechanical metamaterial beams with programmable defects

RL Thomes, D Beli, CDM Junior - Mechanical Systems and Signal …, 2022 - Elsevier
A relevant feature for various applications of phononic crystals and metamaterials is the
wave localization and guiding using defects introduced into a periodic array. In this context …

Broadband and multimode attenuation in Duffing-and NES-type piezoelectric metastructures

JA Mosquera-Sánchez, C De Marqui Jr - International Journal of …, 2024 - Elsevier
This paper reports the dynamic effects leveraged into one-dimensional metastructures by
Duffing-and Nonlinear Energy Sink (NES)-type piezoelectric attachments. The versatility of …

Tunable elastic wave modulation via local phase dispersion measurements of a piezoelectric metasurface with signal correlation enhancement

J Dupont, T Wang, R Christenson, J Tang - Journal of Applied Physics, 2023 - pubs.aip.org
Tunable piezoelectric metasurfaces have been proposed as a means of adaptively steering
incident elastic waves for various applications in vibration mitigation and control. Bonding …

Electrically controllable and reversible coupling degree in a phononic crystal with double piezoelectric defects

SH Jo - Thin-Walled Structures, 2024 - Elsevier
Research in the field of phononic crystals (PnCs) has traditionally focused on single defects
for energy localization and frequency-selective filtering. Recent attention has turned to …

Dynamics and wave propagation in nonlinear piezoelectric metastructures

JA Mosquera-Sánchez, C De Marqui Jr - Nonlinear Dynamics, 2021 - Springer
This paper reports dynamical effects in one-dimensional locally resonant piezoelectric
metastructures leveraged by nonlinear electrical attachments featuring either combined …

Adaptive piezoelectric metamaterial beam: autonomous attenuation zone adjustment in complex vibration environments

Y Jian, G Hu, L Tang, Y Shen, Y Zhan… - Smart Materials and …, 2023 - iopscience.iop.org
Programmable metamaterials for broadband vibration control draw growing interest due to
their abilities to tailor dynamic responses. However, the deterministic dynamic behavior of …

Harnessing chiral buckling structure to design tunable local resonance metamaterial for low-frequency vibration isolation

H Ma, K Wang, H Zhao, C Zhao, J Xue, C Liang… - Journal of Sound and …, 2023 - Elsevier
This paper proposes a tunable local resonance metamaterial with chiral buckling structures
for low-frequency vibration isolation. The unit cell consists of the inner and outer buckling …

Programmable moving defect for spatiotemporal wave localization in piezoelectric metamaterials

RL Thomes, D Beli, C Sugino, A Erturk, CDM Junior - Physical Review Applied, 2023 - APS
In this work, we experimentally demonstrate the concept of space-time wave localization
using programmable defects. The dynamic properties of the local resonators of an …