Articles tagged with Electronics
Researchers at the University of Washington have solved a long-standing chemical mystery in organic electrochemical transistors (OECTs), which allow current to flow in devices like implantable biosensors. The study reveals that OECTs turn on via a two-step process, causing a lag, and off through a simpler one-step process.
Researchers at the University of Missouri have developed a soft, self-charging material that can track vital signs like blood pressure and heart activity wirelessly. This innovation has significant implications for early disease detection and timely interventions in chronic conditions.
A new atomically-thin material has been discovered that can switch between an insulating and conducting state by controlling the number of electrons. This property makes it a promising candidate for use in electronic devices such as transistors.
Disposable vape sales quadrupled in the UK between 2022 and 2023, contributing to e-waste accumulation. The technology contains valuable resources like lithium, but recycling is often difficult due to lack of clear instructions. Experts call for urgent reform of disposable electronics practices to protect the environment.
Researchers led by POSTECH Professor Yong-Young Noh discovered that tellurium oxide can function as a p-type semiconductor in oxygen-deficient environments. They successfully engineered high-performance amorphous p-type oxide Thin-Film Transistors (TFTs) with exceptional hole mobility and on/off current ratio.
A recent study found that an e-tongue can detect signs of microorganisms in white wine within a week after contamination, four weeks before a human panel notices the change in aroma. This technology has the potential to augment traditional methods and allow winemakers to catch and mitigate problems sooner.
Researchers at UCLA-developed an experimental device that reduces glare in images using low-power ambient light. The technology has potential applications in various fields, including autonomous vehicles, object recognition, image encryption, and defect detection.
The Digitally programmable Over-brain Therapeutic (DOT) device, the size of a pea, activates the motor cortex, allowing patients to move their hands. The technology offers greater patient autonomy and accessibility than current neurostimulation-based therapies.
Researchers at MIT and LBNL created a simplified array of four pixels in tetromino shapes to detect radiation direction, achieving accuracy comparable to large expensive systems. The design reduces engineering costs while improving performance for handling multiple radiation sources.
Researchers have developed a waterproof 'e-glove' that transmits hand gestures made underwater to a computer, translating them into messages with 99.8% accuracy. The technology could help scuba divers communicate better with each other and boat crews on the surface.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
Researchers at the University of Michigan and Samsung's Advanced Materials Lab have developed a new approach to making chemically complex materials that can improve battery performance. The method uses unconventional ingredients to reduce impurities in the final material, resulting in more efficient and cost-effective production.
Researchers at the University of Sydney and Queensland University of Technology have developed a new approach to designing cameras that process and scramble visual information. The approach, known as 'sighted systems,' creates distorted images that can still be used by robots to complete tasks but do not compromise privacy.
Polybrominated diphenyl ether exposure significantly associated with cancer mortality and all-cause mortality. Further studies needed to replicate findings and understand underlying mechanisms.
Research by a team at Pohang University of Science & Technology found that impurities in lithium raw material can enhance process efficiency and prolong battery lifespan, reducing costs and emissions by up to 19.4% and 9.0%, respectively.
Researchers have developed two innovative methods for mass-producing metalenses, reducing production costs by up to 1,000 times. The team achieved successful creation of large-scale infrared metalenses with high resolution and exceptional light-collecting capabilities.
Researchers at the University of Illinois have developed a novel electrochemical process to extract precious metals, including gold and platinum group metals, from discarded electronics and low-grade ores. This method uses less energy and fewer chemical materials than current methods, producing high-purity metals with minimal waste.
Researchers at WVU are developing an AI tool to reduce medication errors that lead to hospital readmissions, aiming to improve patient safety and reduce healthcare costs. The tool will analyze patient records and identify high-risk patients, alerting pharmacists to potential issues.
A new material has been developed with adaptive durability, meaning it becomes stronger and more conductive when subjected to impact or stretching. The material's conductivity is also improved by adding a small amount of PEDOT:PSS, making it suitable for wearable devices and personalized medical sensors.
Researchers at Johannes Gutenberg Universitaet Mainz have demonstrated altermagnetic electronic band splitting associated with spin polarization in CrSb, a good conductor at room temperature. The magnitude of this splitting is extraordinary and promises electronic applications for altemagnets.
Researchers developed ultra-thin defect-free semiconducting fibers, over 100 meters long, which can be woven into fabrics. The fibers demonstrate excellent electrical and optoelectronic performance, enabling various applications such as wearable electronics and sensors.
Researchers at Pohang University of Science & Technology have devised a technique for mass-producing large-area metalenses tailored for use in the ultraviolet region. The breakthrough enables control over optical properties of UV rays, sparking interest in potential advancements for medical devices and wearable technology.
A team of researchers created an optical display technology using afterglow luminescent particles, enabling writing and erasure of messages underwater. The device exhibits resistance to humidity and maintains functionality even when submerged for prolonged periods.
Yonglong Xie, a Rice University assistant professor, has received an $888,555 NSF CAREER Award to explore magnon-based quantum technology. He aims to create synthetic matter and next-generation devices with unprecedented functionalities.
A team of scientists has developed a novel strain-free approach to investigate the intrinsic electronic ground state of Kagome superconductors. This study provides a unifying picture of the controversial charge order in Kagome metals, highlighting the need for material control at the microscopic scale.
Researchers at Aston University will explore gel electrolyte materials to improve lithium-ion batteries' safety and environmental sustainability. The project aims to replace harmful components with renewable ionogels, addressing the need for scalable methods of storing electrical energy.
Researchers at MIT successfully printed compact, magnetic-cored solenoids using a customized multimaterial 3D printer. The printed solenoids can withstand twice as much electric current and generate a magnetic field three times larger than other 3D-printed devices.
MIT researchers precisely controlled an ultrathin magnet at room temperature using pulses of electrical current, switching its magnetization. This breakthrough could lead to faster, more efficient processors and nonvolatile magnetic computer memories with reduced energy consumption.
Researchers from Pohang University of Science & Technology developed a new gel-based battery system using micro silicon particles and gel polymer electrolytes, enabling stable performance even with larger silicon particles. The system exhibits improved energy density and is ready for immediate application.
Researchers at Rice University have discovered a new material that exhibits both quantum correlations and geometric frustration, resulting in a unique flat band structure. This finding provides empirical evidence of the effect in a 3D material and has implications for understanding exotic features in materials science.
Researchers at Worcester Polytechnic Institute have developed a material to selectively oxidize urea in water, producing hydrogen gas. The material, made of nickel and cobalt atoms with tailored electronic structures, enables the efficient conversion of urea into hydrogen through an electrochemical reaction.
Researchers at GIST developed high-performance OECT devices based on poly(diketopyrrolopyrrole) (PDPP)-type polymers, achieving high charge carrier mobility and volumetric capacitance values. The optimized material exhibited a figure-of-merit value of over 800 F V^-1 cm^-1 s^-1.
Scientists have developed a new biocompatible material that can conduct electricity efficiently in wet environments and interact with biological media. The modified PEDOT:PSS enables the creation of organic electrochemical transistors (OECTs) with high performance and excellent characteristics.
A team of researchers developed a composite control scheme to suppress track irregularities in high-speed maglev trains. The scheme uses a refined disturbance observer and prescribed performance fixed-time controller to accurately estimate track irregularities and disturbances.
Engineers have discovered a method to increase the stability of perovskite solar cells using bulky additives, which could enable the production of cheaper solar panels. The study suggests that larger molecules with specific configurations are most effective at preventing defects in the cells.
A computational method called Disordered Enthalpy-Entropy Descriptor (DEED) predicts the synthesizability of 900 new ceramic materials. The results demonstrate enhanced stability and properties, suitable for applications such as electronics, wear-resistant coatings, and thermoelectrics.
A team of researchers led by Walter de Heer at Georgia Institute of Technology has created a functional graphene semiconductor with 10 times the mobility of silicon. This breakthrough technology could enable smaller and faster devices, as well as applications for quantum computing.
The researchers designed a capsule about the size of a multivitamin, powered by a small battery, which vibrates to activate mechanoreceptors in the stomach. This activation stimulates hormone release patterns similar to those following a meal, reducing food intake and slowing weight gain by 40 percent.
Researchers at Osaka Metropolitan University fabricated GaN transistors using diamond substrates, achieving more than twice the heat dissipation of SiC-based transistors. This novel technology has the potential to revolutionize power and radio frequency electronics with improved thermal management capabilities.
Researchers at Singapore University of Technology and Design propose a new unifying framework to identify low-risk materials for further development. The team screened 3,000 entries in the materials database to find 25 candidate materials that exhibit high performance and are sustainable at the material level.
Researchers found that space weather events can trigger 'wrong side' failures in rail signalling systems, which are more hazardous than 'right side' failures. This study highlights the need for the industry to consider the risks of space weather and explore mitigation strategies.
Researchers at the University of Sydney have invented a compact silicon semiconductor chip integrating electronics with photonic components, significantly expanding radio-frequency bandwidth and filter control. The new technology has potential applications in advanced radar, satellite systems, wireless networks, and telecommunications,...
Researchers will incorporate advanced semiconductor technologies and AI into a millimeter-wave radio system to increase bandwidth while reducing energy consumption. The project aims to save tens to hundreds of terawatt-hours of energy per year, contributing to climate change mitigation.
Researchers developed a lightweight wearable balance exercise device to improve reactive postural control in older adults, reducing the risk of falls. The device uses pneumatic artificial muscles to generate unexpected perturbations, resulting in improved peak displacement and velocity.
A team of researchers from Northwestern University and the University of Pittsburgh has received a $600K NSF Award to explore novel learning-enabled cyber-physical systems (LE-CPSs) for building flexibility into hardware. This could lead to extended device lifespan, reduced e-waste, and improved sustainability.
Researchers successfully trapped electrons in a three-dimensional material, creating an electronic flat band that can lead to exotic behavior such as superconductivity. The kagome-inspired geometry of the crystal allows for stable trapping of electrons in all three dimensions.
The joint team developed a Fire & Explosion Management System (FXMS) using Digital Twin technology, offering high-accuracy real-time monitoring and predictions of battery conditions up to five years. The technology can extend the lifespan of lithium-ion batteries by over 50%, reducing carbon emission through reduced battery waste.
Researchers developed personalized risk equations using AI to identify individuals at high risk of sudden cardiac death. The analysis found that AI was able to accurately predict sudden cardiac death in over one-fourth of all cases, highlighting the potential for AI to revolutionize prevention strategies.
A smartphone attachment developed by UC San Diego engineers can screen for neurological conditions like Alzheimer's disease and traumatic brain injury at low cost, accurately regardless of skin tone. The technology uses far-red light to enhance visibility of the pupil, making it easier to track changes in eye movement.
Scientists propose new temperature guidelines for data centers that may help reduce energy consumption and save money. Researchers found that raising the temperature to around 41°C could lead to significant savings, with some areas able to rely entirely on free-cooling, reducing energy costs by up to 56%.
Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.
A team from Princeton University and Microsoft Research developed a fast and accurate method to determine fruit quality using high-frequency wireless technology. This system promises to help reduce food waste by sorting good fruit from bad bunches and ripening fruits more efficiently, according to the new study.
Researchers have created a magnetoelectric material that can directly stimulate neural tissue, potentially treating neurological disorders and nerve damage. The material generates an electric signal that neurons can detect, overcoming previous limitations.
The interdisciplinary team, led by Kaiyuan Yang, will focus on leveraging the spin and charge of electrons in multiferroics to process and store information. The goal is to improve energy efficiency for computing devices, potentially reducing energy consumption by three orders of magnitude.
Researchers add graphene to Bi-2223 superconductors, increasing critical current density and improving phase formation. The findings suggest potential applications in various fields, including power generation, transportation, and quantum computing.
A team of researchers reviewed the superconducting diode effect, which enables dissipationless supercurrent flow in one direction. The study highlights potential applications for quantum technologies in both classical and quantum computing.
A breakthrough in battery technology has been achieved by City University of Hong Kong, overcoming the persistent challenge of voltage decay in lithium-ion batteries. The new development stabilises a unique honeycomb-like structure within the cathode material, resulting in longer-lasting and more efficient batteries.
A new device design inspires improved integrated circuit designs by visualizing electric current flow lines around sharp bends. The research enables better understanding of heat generation in electronic devices, leading to more efficient circuit creation and reduced risk of overheating.
GIST researchers found that nano-sized pits on AlN surfaces cause graphene degradation at higher temperatures, leading to GaN film exfoliation failure. The study's results demonstrate the importance of substrate chemical and topographic properties for successful remote epitaxy.
By increasing skyrmion diffusion, researchers have made a significant step towards developing spin-based, unconventional computing. The use of synthetic antiferromagnets has reduced energy consumption and increased speed, making it possible to create more efficient computers.