Ferroelectric materials are currently some of the most widely applied material systems and
are constantly generating improved functions with higher efficiencies. Advancements in poly …

Identification technology based on biometrics is a branch of research that employs the
unique individual traits of humans to authenticate identity, which is the most secure method …

While fingerprint technology has been widely used in mobile devices for user identification,
the existing fingerprint sensors can only capture 2D images of the fingerprint and are thus …

Biometric recognition systems based on 3D palmprint captured with optical technology have
been widely investigated in the last decade; however, they can provide information about …

In the past decade, acoustics at the nanoscale (ie, nanoacoustics) has evolved rapidly with
continuous and substantial expansion of capabilities and refinement of techniques …

Under-display ultrasonic fingerprint imaging presents a promising approach for smart
terminal device authentication, which requires ultrasonic waves to penetrate organic light …

To realize a piezoelectric sensor array for identifying the location of impact stress, the large-
scale (200mm× 200 mm) poly (vinylidene-trifluoride)(P (VDF-TrFE) 75/25mol%) films with …

In the past decade, acoustics at the nanoscale (ie, nanoacoustics) has evolved rapidly with
continuous and substantial expansion of capabilities and refinement of techniques …

Mobile health (mHealth) with continuous real-time monitoring is leading the era of digital
medical convergence. Wearable devices and smartphones optimized as personalized …

Air-borne ultrasonic transducers based on irradiated cross-linked polypropylene (IXPP)
ferro/piezoelectret films, which exhibit a high longitudinal piezoelectric activity and a low …