Light-emitting diodes (LEDs), semiconductor-based devices that emit light when an electric current flows through them, are key building blocks of numerous electronic devices. LEDs are used to light up smartphone, computer, and TV displays, as well as light sources for...
Electronics & Semiconductors
First practical application of viscous electron flow realizes terahertz photoconductivity in graphene
When light hits the surface of some materials, namely those exhibiting a property known as photoresistance, it can induce changes in their electrical conductivity. Graphene is among these materials, as incident light can excite electrons within it, affecting its...
Creating compact near-sensor computing chips via 3D integration of 2D materials
Three-dimensional (3D) integration has opened new possibilities for the development of denser circuits with more interconnected electronic components. 3D integration approaches entail stacking multiple layers of electronic circuits together, ultimately producing more...
Unique memristor design with analog switching shows promise for high-efficiency neuromorphic computing
The growing use of artificial intelligence (AI)-based models is placing greater demands on the electronics industry, as many of these models require significant storage space and computational power. Engineers worldwide have thus been trying to develop neuromorphic...
Innovative transistor for reconfigurable fuzzy logic hardware shows promise for enhanced edge computing
Edge computing devices, devices located in proximity to the source of data instead of in large data centers, could perform computations locally. This could reduce latency, particularly in real-time applications, as it would minimize the need to transfer data from the...
Novel liquid acoustic sensor mimics whale melon to recognize voices in noisy environments
In recent years, engineers have developed a wide range of increasingly sophisticated sensors for robotic, portable, wearable and even implantable monitoring. The data collected by these sensors can then be analyzed using state-of-the-art machine learning, allowing...
Stretchable transistors used in wearable devices enable in-sensor edge computing
Organic electrochemical transistors (OECTs) are neuromorphic transistors made of carbon-based materials that combine both electronic and ionic charge carriers. These transistors could be particularly effective solutions for amplifying and switching electronic signals...
New ultrathin optical device can precisely capture and stimulate the mammalian brain
Reliably tracking and manipulating the mammalian nervous system in laboratory or clinical settings allows neuroscientists to test their hypotheses, which may in turn lead to new important discoveries. The most well-established and widely used technologies for studying...
Shape-morphing brain sensor adheres to curved surfaces for ultrasound neurostimulation
Transcranial focused ultrasound, a non-invasive technique to stimulate specific areas of the brain using high-frequency sound waves, could be a promising treatment strategy for many neurological disorders. Most notably, it could help to treat drug-resistant epilepsy...
Ultrathin organic-inorganic device shows promise for wireless monitoring of biomarkers
In recent years, electronics engineers have developed a wide range of wearable and implantable devices that can detect and record biological signals. These devices can help to keep track of various physiological processes, such as heart rate, arterial pulse, sleep...