Current Electronic Devices News and Events

Current Electronic Devices News and Events, Electronic Devices News Articles.
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Silver and gold nanowires open the way to better electrochromic devices
A Canadian team from the Institut national de la recherche scientifique (INRS) developed a new approach for foldable and solid devices. (2021-02-22)

Polymer film protects from electromagnetic radiation, signal interference
In a breakthrough report published in Advanced Materials engineers at the University of California, Riverside describe a flexible film using a quasi-one-dimensional nanomaterial filler that combines excellent electromagnetic shielding with ease of manufacture. (2021-02-22)

CUHK physicists discover new route to active matter self-organisation
An international team led by Professor Yilin Wu, Associate Professor of the Department of Physics at The Chinese University of Hong Kong (CUHK) has made a novel conceptual advance in the field of active matter science. The team discovered a new route in which the self-organisation of active fluids in space and time can be controlled by a single material property called viscoelasticity. (2021-02-20)

Irregular sleep schedules connected to bad moods and depression, study shows
Irregular sleep schedules can affect mood and risk of developing symptoms of depression according to a study of first-year medical residents that used Fitbits and smartphones. (2021-02-18)

Engineers place molecule-scale devices in precise orientation
A technique for controlling the orientation of manufactured DNA shapes now removes one of the last barriers for the combination of molecular devices with conventional semiconductor chips. (2021-02-18)

3D-printing perovskites on graphene makes next-gen X-ray detectors
By using 3D aerosol jet-printing to put perovskites on graphene, scientists at EPFL have made X-ray detectors with record sensitivity that can greatly improve the efficiency and reduce the cost and health hazard of medical imaging devices. (2021-02-17)

You snooze, you lose - with some sleep trackers
Wearable sleep tracking devices - from Fitbit to Apple Watch to never-heard-of brands stashed away in the electronics clearance bin - have infiltrated the market at a rapid pace in recent years. And like any consumer products, not all sleep trackers are created equal, according to West Virginia University neuroscientists. (2021-02-17)

Electrons living on the edge
University of Tsukuba researchers calculated the electronic structure of topological insulators excited by laser beams and found that massless states can be generated. This work may lead to a major advance in computer technology with circuits that generate less heat. (2021-02-17)

Harnessing socially-distant molecular interactions for future computing
Could long-distance interactions between individual molecules forge a new way to compute? A new study of electronic states induced by interactions between individual molecules has potential future application in computers where the state of each individual molecule could be controlled, mirroring binary operation of transistors in current computing. (2021-02-16)

A performance leap for Graphene modulators in next generation datacom and telecom
An international team of researchers reports in Nature Communications the development of a graphene-based optical modulator that proves outstanding performances in modulation efficiency, stability and high speed. (2021-02-16)

Highway tunnel for ions
We live in modern times, that is full of electronics. Smartphones, laptops, tablets, and many other devices need electrical energy to operate. Portable devices made our lives easier, so novel solutions in clean energy and its storage are desirable. Lithium-ion (Li-ion) batteries are the most common solutions that dominate the global market and are a huge problem due to their insufficient recovery. (2021-02-16)

NREL heats up thermal energy storage with new solution meant to ease grid stress
Scientists from the National Renewable Energy Laboratory (NREL) have developed a simple way to better evaluate the potential of novel materials to store or release heat on demand in your home, office, or other building in a way that more efficiently manages the building's energy use. (2021-02-16)

Kagome graphene promises exciting properties
For the first time, physicists from the University of Basel have produced a graphene compound consisting of carbon atoms and a small number of nitrogen atoms in a regular grid of hexagons and triangles. This honeycomb-structured ''kagome lattice'' behaves as a semiconductor and may also have unusual electrical properties. In the future, it could potentially be used in electronic sensors or quantum computers. (2021-02-15)

Move over heavy goggles, here come the ultra-high refractive index lenses
POSTECH professor Junsuk Rho's research team develops a transparent silicon without visible light loss by controlling the silicon atomic structure. (2021-02-14)

Vibrating 2D materials
Two-dimensional materials hold out hope for many technical applications. An international research team now has determined for the first time how strongly 2D materials vibrate when electronically excited with light. (2021-02-11)

Wafer-scale production of graphene-based photonic devices
Graphene Flagship researchers have devised a wafer-scale fabrication method that paves the way to the next generation of telecom and datacom devices. (2021-02-11)

Nanowire could provide a stable, easy-to-make superconducting transistor
MIT researchers developed a superconducting nanowire that could enable efficient, easy-to-make electronics. The advance could boost quantum computing, as well as magnetic sensors for applications in brain imaging and telescopes. (2021-02-11)

A new quantum switch for electronics
A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase in the oscillation frequency above a critical value reduced the current to zero - a promising mechanism that can help create nanoelectronics components. (2021-02-11)

A scalable method for the large-area integration of 2D materials
Graphene Flagship researchers report a new method to integrate graphene and 2D materials into semiconductor manufacturing lines, a milestone for the recently launched 2D-EPL project. (2021-02-10)

Tests reveal cybersecurity vulnerabilities of common seismological equipment
Seismic monitoring devices linked to the internet are vulnerable to cyberattacks that could disrupt data collection and processing, say researchers who have probed the devices for weak points. (2021-02-10)

A new modifier increases the efficiency of perovskite solar cells
The research team of NUST MISIS has presented an improved structure of perovskite solar cells. Scientists have modified perovskite-based solar cells using MXenes -- thin two-dimensional titanium carbides with high electrical conductivity. The MXenes-based modified cells showed superior performance, with power conversion efficiency exceeding 19% (the reference demonstrated 17%) and improved stabilized power output with respect to reference devices. The results have been published in the Nano energy international scientific journal. (2021-02-09)

NTUsg researchers develop flexible piezoelectric crystal
A team of researchers led by Nanyang Technological University, Singapore (NTU Singapore) has developed a new material, that when electricity is applied to it, can flex and bend forty times more than other materials in the same class, opening the way to better micro machines. (2021-02-08)

Scientists create armour for fragile quantum technology
An ANU-led international team has invented the equivalent of 'body armour' for extremely fragile quantum systems, which will make them robust enough to be used as the basis for a new generation of low-energy electronics. (2021-02-08)

A magnetic twist to graphene
By combining ferromagnets and two rotated layers of graphene, researchers open up a new platform for strongly interacting states using graphene's unique quantum degree of freedom. (2021-02-08)

New way to power up nanomaterials for electronic applications
UCLA materials scientists and colleagues have discovered that perovskites, a class of promising materials that could be used for low-cost, high-performance solar cells and LEDs, have a previously unutilized molecular component that can further tune the electronic property of perovskites. (2021-02-05)

New quantum receiver the first to detect entire radio frequency spectrum
A new quantum sensor can analyze the full spectrum of radio frequency and real-world signals, unleashing new potentials for soldier communications, spectrum awareness and electronic warfare. (2021-02-04)

Surface effect of electrodes revealed by operando surface science methodology
Super-dense anions together with cations intercalation into the surface region of graphite electrode has been visualized by applying operando surface science methodology over an Al/HOPG planar model device. The observed unusual electrochemical behavior in surface region can be described as the intercalation pseudocapacitor in contrast with the battery process in the bulk. Guided by this distinct surface effect, the capacity can be doubled by using surface-dominant nano-thick graphite electrode. (2021-02-04)

Switching nanolight on and off
The report demonstrates a new method to control the flow of light of nanolight. Optical manipulation on the nanoscale, or nanophotonics, has become a critical area of interest as researchers seek ways to meet the increasing demand for technologies that go well beyond what is possible with conventional photonics and electronics. (2021-02-04)

Artificial skin brings robots closer to 'touching' human lives
Modern-day robots are often required to interact with humans intelligently and efficiently, which can be enabled by providing them the ability to perceive touch. However, previous attempts at mimicking human skin have involved bulky and complex electronics, wiring, and a risk of damage. In a recent study, researchers from Japan sidestep these difficulties by constructing a 3D vision-guided artificial skin that enables tactile sensing with high performance, opening doors to innumerable applications in medicine, healthcare, and industry. (2021-02-03)

"Ghost particle" ML model permits full quantum description of the solvated electron
Pinning down the nature of bulk hydrated electrons has proven difficult experimentally because of their short lifetime and high reactivity. Theoretical exploration has been limited by the high level of electronic structure theory needed to achieve predictive accuracy. Now, joint work from teams at the University of Zurich and EPFL has resulted in a highly accurate machine-learning model inexpensive enough to allow for a full quantum statistical and dynamical description. (2021-02-03)

Pioneering technique paves way for fast and cheap fabrication of rapid medical diagnostic tools
New technology developed by the University of Bristol has the potential to accelerate uptake and development of on-chip diagnostic techniques in parts of the world where rapid diagnoses are desperately needed to improve public health, mortality and morbidity. (2021-02-03)

Fine tuned: adjusting the composition and properties of semiconducting 2D alloys
Semiconducting 2D alloys could be key to overcoming the technical limitations of modern electronics. Although 2D Si-Ge alloys would have interesting properties for this purpose, they were only predicted theoretically. Now, scientists from Japan Advanced Institute of Science and Technology have realized the first experimental demonstration. They have also shown that the Si to Ge ratio can be adjusted to fine tune the electronic properties of the alloys, paving the way for novel applications. (2021-02-02)

Why food sticks to nonstick frying pans
Foods will sometimes get stuck to a heated surface, even if oil or a nonstick frying pan is used. Scientists have investigated the fluid properties of oil on a flat surface and their work shows convection may be to blame. When the pan is heated from below, a temperature gradient is established in the oil film, as well as a surface tension gradient. This gradient sets up a type of convection known as thermocapillary convection. (2021-02-02)

Decision-support tool could reduce unnecessary antibiotic prescriptions for child diarrhoea
A decision-support tool that could be accessed via mobile devices may help clinicians in lower-resource settings avoid unnecessary antibiotic prescriptions for children with diarrhoea, a study published today in eLife shows. (2021-02-02)

Researchers create novel photonic chip
Researchers at the George Washington University and University of California, Los Angeles, have developed and demonstrated for the first time a photonic digital to analog converter without leaving the optical domain. Such novel converters can advance next-generation data processing hardware with high relevance for data centers, 6G networks, artificial intelligence and more. (2021-02-02)

Batteries that can be assembled in ambient air
POSTECH-Ulsan College joint research team develops a multi-functional separator membrane that traps impurities in the air. Opens the possibility of a battery manufacturing environment that reduces processing costs without a dry room. (2021-02-01)

Photonics research makes smaller, more efficient VR, augmented reality tech possible
Engineering researchers have developed and demonstrated a new approach for designing photonic devices. The advance allows them to control the direction and polarization of light from thin-film LEDs, paving the way for a new generation of virtual reality (VR) and augmented reality (AR) technologies. (2021-02-01)

Highly deformable piezoelectric nanotruss for tactile electronics
A KAIST research team confirmed the potential of tactile devices by developing ceramic piezoelectric materials that are three times more deformable. For the fabrication of highly deformable nanomaterials, the research team built a zinc oxide hollow nanostructure using proximity field nanopatterning and atomic layered deposition. (2021-02-01)

Non-metallic electronic regulation in CuCo oxy-/thio-spinel as OER electrocatalysts
Researchers successfully prepared oxy-spinel of Cu1-xCo2+xO4 nanaoflakes and thio-spinel of Cu1-xCo2+xS4 nanospheres by a facile hydrothermal method. The resulting Cu1-xCo2+xO4 exhibits higher catalytic performances toward OER in alkaline media than Cu1-xCo2+xS4 for water oxidation. Experimentally and theoretically, the superior OER catalytic activity of Cu1-xCo2+xO4 nanoflakes mainly depends on the strongly-electronegativity of oxygen element in spinel structure, which determines the higher valence state of Co active sites in CuCo oxyspinel. (2021-02-01)

Beyond qubits: Sydney takes next big step to scale up quantum computing
Professor David Reilly and colleagues have invented a device that operates at 40 times colder than deep space to directly control thousands of qubits, the building blocks of quantum computers. (2021-02-01)

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