Articles tagged with Electronics
Researchers at the University of Minnesota have discovered how next-generation electronics, including memory components in computers, break down over time. By studying spintronic magnetic tunnel junctions, they found that continuous current causes layers to pinch, leading to device malfunction and degradation.
A novel printing technique allows for the creation of thin metal oxide films at room temperature, resulting in transparent and conductive circuits that can function at high temperatures. The technique uses liquid metals to deposit two-layer thin films with remarkable stability and flexibility.
The study proposes a combined process route of laser-beam powder bed fusion and magnetic field annealing to enhance magnetostrictive strain and sensitivity. This results in improved effective magnetic anisotropy constant, reduced domain motion resistance, and increased magnetostrictive strain-sensitivity synergy.
A new substrate material developed at MIT, University of Utah, and Meta enables not only the recycling of materials and components but also scalable manufacture of complex multilayered circuits. The material's design allows for easy processing and dissolving, making it suitable for recycling precious metals and microchips.
Researchers have reviewed advancements in wearable cuffless blood pressure monitoring, focusing on flexible electronics and machine learning. The integration of sensors, signal processing, and algorithms enables accurate blood pressure estimation, promising personalized medicine applications.
Researchers at Pohang University of Science & Technology have developed a novel analog hardware using ECRAM devices that maximizes AI computational performance. Their technique, which uses a three-terminal structure with separate paths for reading and writing data, demonstrates excellent electrical and switching characteristics.
Researchers have developed a new method to map heat transfer at the nanoscale level, allowing for pinpointing of overheated components in electronic devices. This technique uses luminescent nanoparticles and achieves high resolution thermometry up to 10 millimeters away.
Researchers at Osaka University have developed a faster, highly accurate way to measure the temperatures of electronic components using neutrons. The technique, called neutron resonance absorption, can acquire temperature data in just 100 nanoseconds.
Researchers developed a novel millimeter-wave multiple-input-multiple-output (MIMO) wireless receiver architecture that can block stronger spatial interference, improving device performance. The new design uses a special circuit to target and cancel out unwanted signals earlier in the receiver chain.
Scientists at UC Santa Barbara develop new neuromorphic computing platform that mimics human brain energy efficiency, reducing power consumption by about 100 times. The 2D tunnel-transistors use lower off-state currents and low subthreshold swing to enable faster and more efficient switching.
Researchers developed a novel air-handleable garnet-type solid electrolyte technology that improves surface and internal properties, preventing contamination layer formation. This innovation enables the creation of ultra-thin lithium solid-state batteries with high energy density and low weight.
Researchers at MIT developed a novel image sensor that can track neural voltage changes in real-time. By optimizing pixel timing, the new sensor doubles signal-to-noise ratio and detects subtle 'subthreshold' variances, enabling better understanding of brain functions.
The EU's Pathfinder program supports the development of innovative, exploratory technologies with major potential impact. Researchers aim to design concepts for sustainable, resilient microelectronic devices using readily available materials.
A team at Pohang University of Science & Technology has developed a novel stretchable photonic device that can control light wavelengths in all directions. The device leverages structural colors produced through the interaction of light with microscopic nanostructures, allowing for vivid and diverse color displays.
Researchers have developed a method to print adaptive and eco-friendly sensors directly onto biological surfaces, including human skin. The new approach uses 'electronic spider silk' that can conform to surfaces while providing high-quality sensor performance.
Scientists studied gallium nitride devices under extreme temperatures and found that ohmic contacts remained structurally intact even at 500 degrees Celsius. This breakthrough could lead to the development of high-performance transistors for Venus exploration and other applications.
Researchers at the University of Michigan have developed a new thermophotovoltaic cell that can recover significantly more energy from heat batteries, increasing efficiency to 44%. The device uses air bridges to trap photons with the right energies, allowing for the recycling of useless photons and improving overall performance.
Researchers developed a flexible static electricity-based sensor that detects objects within a certain range. The new technology has potential applications in smart devices and wearable technology, such as enhancing phone screens to recognize more finger gestures or detecting drowsiness while driving.
Researchers at Linköping University have developed a battery based on zinc and lignin that can be used over 8000 times, retaining its charge for approximately one week. The battery is stable and easily recyclable, making it a promising alternative to lithium-ion batteries.
The team developed a deep learning AI technique to quantitatively analyze cation mixing using atomic structure images. This approach revealed that introducing metal dopants like aluminum, titanium, and zirconium into the transition metal layer fortified bonds between nickel and oxygen atoms, curbing cation mixing.
Researchers at PolyU developed a new class of 2D all-organic perovskites with high dielectric constants, surpassing those of silicon dioxide and hexagonal boron nitride. These materials show promise for use in 2D electronics, enabling superior control over current flow and potential applications in capacitors and transistors.
A team of researchers from MIT created a lightweight, compact, and efficient mechanism to reduce noise transmission using a sound-suppressing silk fabric. The fabric uses vibrations to cancel out unwanted sounds in two different ways, one for small spaces and another for larger areas like rooms or cars.
A team from Pohang University of Science & Technology has developed a memory transistor that can adjust its threshold voltage through photocrosslinking. The innovation combines two molecules with a polymeric semiconductor to form a stable bond, enabling precise control of the semiconductor layer's structure.
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 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 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 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.
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.
Polybrominated diphenyl ether exposure significantly associated with cancer mortality and all-cause mortality. Further studies needed to replicate findings and understand underlying mechanisms.
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 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 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 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.
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 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.
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 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.
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.