The coupling of waves between the piezoelectric generators, detectors, and propagating
media is challenging due to mismatch in the acoustic properties. The mismatch leads to the …

Recently, piezoelectric thin films including zinc oxide (ZnO) and aluminium nitride (AlN)
have found a broad range of lab-on-chip applications such as biosensing, particle/cell …

The rapid development of the fifth-generation mobile networks (5G) and Internet of Things
(IoT) is inseparable from a large number of miniature, low-cost, and low-power sensors and …

Over the past two decades, several advances have been made in micromachined sensors
and actuators. As the field of microelectromechanical systems (MEMS) has advanced, a …

Piezoelectric thin films offer a number of advantages in various applications, such as high
energy density harvesters, a wide dynamic range, and high sensitivity sensors, as well as …

Major challenges have emerged as microelectromechanical systems (MEMS) move to
smaller size and increased integration density, while requiring fast response and large …

Piezoelectric microelectromechanical systems (MEMS) have been proven to be an attractive
technology for harvesting small magnitudes of energy from ambient vibrations. This …

We show anomalously strong shear piezoelectric activity in self-assembled diphenylalanine
peptide nanotubes (PNTs), indicating electric polarization directed along the tube axis …

Recent developments on the preparation and application of ZnO films for acoustic wave-
based microfluidics and biosensors are reviewed in this paper. High quality and strongly …

Electrical energy storage systems (EESSs) with high energy density and power density are
essential for the effective miniaturization of future electronic devices. Among different EESSs …