This review traces the evolution of wireless power transfer (WPT) for implantable medical devices, spanning electromagnetic, magnetoelectric, acoustic, and magneto‐dynamic systems. Quantitative comparisons of power, distance, and device scale highlight trade‐offs across modalities, while emerging hybrid mechanisms reveal strategies to overcome ...
Junyeop Kim, Yoonseok Park
wiley +1 more source
An Investigation of Modular Composable Acoustic Metamaterials with Multiple Nonunique Chambers. [PDF]
Yang X +8 more
europepmc +1 more source
A tunable microwave absorption metamaterial inspired by moths evading bat detection
Electromagnetic radiation in the current environment has become complex and uncontrollable due to the advancement of wireless technology. Inspired by the moth surface cilia to bend and evade bat sonar detection, our work introduces a metamaterial incorporating broadband and tunable microwave absorption properties combined with deep learning algorithms.
Yijie Liu +13 more
wiley +1 more source
Comparative Framework for Energy Absorption Capacity of Auxetics and Open‐Cell Foams
. ABSTRACT The selection of the appropriate materials and structures for enhanced energy absorption is paramount in the design of protective gear, regardless of the final application. This research addresses a long‐standing academic debate regarding the effectiveness of auxetic structures in mitigating impacts relative to open‐cell foam counterparts ...
George Youssef, Celia Rufo‐Martín
wiley +1 more source
Multi-Order Asymmetric Acoustic Metamaterials with Broad Bandgaps at Subwavelength Scales. [PDF]
Wang X, Chen W, Li S.
europepmc +1 more source
Phase Hologram by Acoustic Metasurfaces
This work has achieved a breakthrough in holographic communication, realizing phase holographic imaging. The proposed phase holographic concept overcomes the limitations of traditional amplitude holographic energy attenuation. The design of its amplitude compensation method further addresses the key challenge of phase holographic imaging clarity ...
Xiao Guo +11 more
wiley +1 more source
An adjustable acoustic metamaterial cell using a magnetic membrane for tunable resonance
Acoustic metamaterials are growing in popularity for sound applications including noise control. Despite this, there remain significant challenges associated with the fabrication of these materials for the sub-100 Hz regime, because acoustic ...
Alicia Gardiner +3 more
doaj +1 more source
Phonon Engineering of Micro- and Nanophononic Crystals and Acoustic Metamaterials: A Review. [PDF]
Ma J.
europepmc +1 more source
Synthetic Pseudo-Spin-Hall effect in acoustic metamaterials. [PDF]
Weiner M, Ni X, Alù A, Khanikaev AB.
europepmc +1 more source
Acoustic metamaterials-driven transdermal drug delivery for rapid and on-demand management of acute disease. [PDF]
Xu J +14 more
europepmc +1 more source

