Articles tagged with Electronics
Researchers at Chungnam National University developed a new ultra-thin protective layer using polyacrylic acid to prevent dendrite growth and enhance battery performance. The zinc-bonded polyacrylic acid coating proved remarkably durable, resisting dissolution in aqueous solutions and promoting uniform distribution of zinc-ions.
Researchers developed a hybrid-interlocked self-assembled monolayer strategy to enhance device stability in perovskite indoor photovoltaics. The optimized devices achieved record indoor power conversion efficiency of 42.01% and projected T90 lifetime approaching 6000 hours.
Scientists at Yokohama National University have created a device that uses acoustic levitation and a squeeze film to move objects without friction, enabling fast and precise transport of small parts. The device was tested on an inclined surface and showed successful movement with weights up to 43 grams.
Researchers at the University of Rochester have developed a new type of solar thermoelectric generator that can harness thermal energy in addition to sunlight. The device is 15 times more efficient than current state-of-the-art devices, making it a promising source of renewable energy.
Researchers at University College London developed durable new solar cells capable of efficiently harvesting energy from indoor light. The team successfully reduced defects in the perovskite material, increasing efficiency and durability, paving the way for electronics powered by ambient light.
Researchers developed an organic molecule that simultaneously emits light suitable for displays and absorbs photons for deep-tissue bioimaging, overcoming a long-standing design challenge. The compound achieved high efficiency in both applications, paving the way for next-generation multifunctional materials.
Researchers successfully grew high-quality ScAlN thin films on AlGaN/GaN heterostructures using sputtering at varying temperatures. The study reveals that higher growth temperatures improve structural quality and carrier density in the 2DEG, but electron mobility is reduced due to structural imperfections.
Researchers consider natural rubber's potential as a sustainable material for flexible sensors, self-powered systems, and energy harvesting devices. The study aims to enhance natural rubber's electrical and mechanical properties while minimizing its environmental impact.
Research team reviews digital-coded metasurface technology for wireless communication, highlighting its advantages in miniaturization, low power consumption and real-time programmability. The study explores various applications and potential societal impact of this emerging technology.
A new machine learning-based design method has been proposed to achieve stable and efficient wireless power transfer. The approach uses real-world circuit modeling and numerical simulations to optimize system performance, demonstrating significant improvements in output voltage stability and power-delivery efficiency.
Researchers developed a white organic light-emitting diode that operates at an unprecedentedly low voltage of less than 1.5 volts. This breakthrough could contribute to reducing energy consumption in state-of-the-art displays, including television backlights and lighting devices.
Researchers designed a novel transmitter chip that significantly improves energy efficiency in wireless communications. The compact, flexible system employs a unique modulation scheme to encode digital data into a wireless signal, reducing error and leading to more reliable communications.
Researchers at MIT develop a new method to directly measure the strength of electron-phonon interaction in semiconductors, a crucial property for next-generation microelectronic devices and quantum computers. This approach leverages an oft-overlooked interference effect in neutron scattering to detect electron-phonon interactions.
Researchers from The University of Osaka develop a new program to calculate the spin accumulation coefficient, providing a definitive measure of the spin Hall effect and overcoming ambiguities. This advancement enables accurate predictions for real materials, accelerating the development of advanced spintronic technologies.
Researchers at UMBC developed a new way to predict 2D materials that could transform the electronics industry. Using a mix of data mining, computer modeling, and structural analysis, they predicted 83 possible new materials with desirable properties.
Researchers developed a new method for building powerful, compact energy storage devices using thin-film supercapacitors without metal parts. The device can output 200 volts, equivalent to powering 100 LEDs for 30 seconds or a 3-watt bulb for 7 seconds.
Laser-generated nanoparticles offer a cleaner, scalable alternative to traditional chemical synthesis methods for electronics applications. The method, called laser ablation in liquids, produces surfactant-free, highly pure metal-based nanoparticles with tailored surface properties.
Researchers at the University of Minnesota have developed a new material called Ni₄W that can generate spin currents to control magnetization in electronic devices. This material has the potential to significantly reduce power usage in devices like smartphones and data centers.
Researchers developed flexible electrochromic devices that offer dynamic visual feedback, combining low-dimensional materials with flexible conductors. These advancements enable wearable displays and multifunctional devices with display and power functions.
Researchers have developed solid-state batteries that can charge in a fraction of the time and pack more energy into less space than traditional lithium-ion versions. These batteries use stable solid materials instead of liquid electrolytes, enabling faster charging, reduced safety risks, and improved efficiency.
Two-dimensional materials hold promise in replacing traditional semiconductors like silicon, enabling advancements in computing technologies. Researchers highlight unique properties and potential applications of 2D materials to drive innovation.
Heterometallic nanosheets with defined structures can be synthesized in a single-phase reaction, enabling their use as coatings, electronic devices, and catalysts. The discovery paves the way for mass-producing these nanomaterials using printing technology.
A research team led by Associate Professor Michinao Hashimoto from SUTD developed a novel 3D printing method that turns biodegradable materials into electrically conductive structures. The breakthrough enables the formation of sharp, well-defined 3D structures with high filler content, suitable for applications such as flexible circuit...
Researchers developed a single-layer metasystem for 3D inspection of fine structural features, integrating transmission and reception functionalities into a compact architecture. The system achieves high accuracy, with lateral resolution errors under 10 µm and depth variations as fine as 20 µm.
Researchers studied atomic-scale defects in single-crystal IGZO to understand its electronic properties. They found that oxygen vacancies and structural disorder contribute to device instability, but also detected a relationship between crystallinity and subgap states.
Researchers from Institute of Science Tokyo have developed (Al,Ga,Sc)N thin films with record-high scandium levels, enabling efficient data storage and reducing power consumption. The films also show promise for noise filters and optical computing applications.
A team of researchers from UC3M, MIT and Adobe have developed Imprinto, a system for embedding invisible digital information in printed documents. This technology uses infrared ink and a special camera to enable advanced interaction with physical documents without altering their visual appearance.
Researchers found that smartphone sensors can detect major forms of psychopathology. The study's results may lead to the development of symptom monitoring tools to fill gaps in current practice.
A new imaging technique developed by MIT researchers leverages reflections from wireless signals like Wi-Fi to create accurate 3D reconstructions of objects blocked from view. This approach achieved 96 percent reconstruction accuracy on everyday objects with complex shapes.
A research team developed an analytical model to evaluate the performance of grant-free communications schemes in densely populated IoT environments. They found that interference cancellation improved base station throughput but did not resolve the near-far problem, while power control addressed it but led to decreased overall network ...
A new e-textile platform developed by KAIST's research team combines 3D printing technology with advanced materials engineering to create customized training models for individual combatants. The platform uses flexible and highly durable sensors and electrodes printed directly onto textile substrates, enabling precise movement and huma...
Researchers from Hunan University uncover buildup dynamics of harmonic mode-locking in fiber-based Mamyshev oscillators, achieving high stability and signal-to-noise ratio. The study identifies five distinct phases in the generation of stable harmonic mode-locking, challenging conventional understanding of laser emission.
A collaboration between Aston University and RAD Global developed pioneering cold storage boxes to keep food fresh without grid electricity. The RADiCool system extends the safe selling window for fish from 12 to 24 hours, reducing waste and improving livelihoods.
Researchers at Drexel University have developed a low-cost, accessible method to detect structural defects and damage in lithium-ion batteries using ultrasound technology. The technique can identify gas presence, material deficiencies, and other issues that may cause electrical shorts or performance hampers.
Researchers at Chalmers University of Technology have developed a highly efficient amplifier that activates only when reading information from qubits. The amplifier consumes just one-tenth of the power consumed by the best amplifiers available today, reducing qubit decoherence and laying the foundation for more powerful quantum computers.
Researchers have developed perovskite solar cells that can effectively convert indoor lighting into electrical power. The cells achieved a power conversion efficiency rate of 38.7% under dim light conditions, making them suitable for charging devices in various environments, including offices.
A new type of laser developed by Norwegian University of Science and Technology and partners has solved several problems associated with current-day lasers. The laser can be used in self-driving cars and detects hydrogen cyanide gas in the air with high precision.
Researchers developed a bi-layered coating that addresses traditional flame-retardant limitations, providing immediate and prolonged fire resistance. The innovative design offers superior protection for polymeric and metallic substrates with minimal thickness.
Researchers developed key technologies for precise and high-speed bonding and adhesive technology to address demands of high-performance computing applications. They successfully integrated chips onto a 300 mm waffle wafer, achieving enhanced bonding speed without chip-detachment failures.
Scientists at Northwestern University have developed an algorithm that enables smartwatches to more accurately monitor the calories burned by people with obesity during various physical activities. The technology bridges a critical gap in fitness technology, allowing for more accurate tracking and tailored interventions.
Researchers developed a new fabrication process that integrates high-performance GaN transistors onto standard silicon CMOS chips in a low-cost and scalable way. This technology reduces the temperature of the overall system and improves signal strength, bandwidth, and battery life in mobile phones.
Researchers at Texas A&M University found that websites use browser fingerprinting to track people across browser sessions and sites. Even users who opt out of tracking under privacy laws may still be silently tracked through fingerprinting.
Researchers review how geometry engineering improves c-Si's mechanical properties, allowing for high-performance soft electronics. Silicon nanowires with enhanced flexibility, superior mechanical properties, and excellent electrical performance are poised to transform the landscape of flexible electronics.
Bioengineering researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a soft, thin, stretchable bioelectronic device that can be implanted into a tadpole embryo's neural plate, recording electrical activity from single brain cells with millisecond precision.
MIT researchers create a novel AI hardware accelerator that performs machine-learning computations at the speed of light, classifying wireless signals in nanoseconds. The photonic chip is scalable, flexible, and energy-efficient, making it suitable for future 6G wireless applications.
Researchers developed a self-folding origami-based sensor that harnesses the triboelectric effect to generate electricity and eliminate the need for batteries. The device can identify dropped objects with high accuracy, making it suitable for logistics, medical devices, and wearable applications.
Researchers at the University of Tokyo have developed a new transistor design using gallium-doped indium oxide, achieving high mobility and reliable performance. The gate-all-around structure enhances efficiency and scalability, making it suitable for big data and AI applications.
Researchers have developed glass-epoxy-based waveguides with low polarization-dependent loss and differential group delay, suitable for stable signal transmission in co-packaged optics. The waveguides demonstrated high power stability and reliability under six hours of continuous use.
Empa researchers have developed a novel deposition process for piezoelectric thin films using HiPIMS, producing high-quality layers on insulating substrates at low temperatures. The technique overcomes the challenge of argon inclusions by timing the voltage application to accelerate desired ions.
Researchers at Tokyo University of Science developed a self-powered artificial synapse capable of distinguishing colors with remarkable precision. The device generates electricity via solar energy conversion, making it suitable for edge computing applications.
A new model details the kinetics of exciton dynamics in OLED materials, enhancing lifetime and accelerating material development. The findings have potential to improve fluorescence efficiency, leading to more advanced OLED devices.
Researchers at the University of Michigan have demonstrated an efficient blue phosphorescent OLED that can last as long as green OLEDs. The device uses a tandem OLED structure and surface plasmon resonance to improve efficiency.
Researchers at University of Michigan have discovered a rule-breaking silicone that can conduct electricity, upending assumptions about the material class. The semiconducting properties of the silicone copolymer enable its spectrum of colors, with longer chain lengths producing red tones and shorter chains emitting blue light.
A new simulation approach has been developed to model plasmas used in computer chip manufacturing, allowing for improved stability and efficiency. The new code accurately conserves energy, helping to ensure the results reflect real physical processes.
University of Missouri scientists have developed an ice lithography technique that etches small patterns onto fragile biological surfaces without damaging them. The method uses frozen ethanol to protect the surface and apply precise patterns.
Researchers at U of A create a transistor that operates at speeds over 1,000 times faster than modern computer chips. The breakthrough uses quantum effects to manipulate electrons in graphene, enabling ultrafast processing for applications in space research, chemistry, and healthcare.
Researchers have discovered how to tune electromagnetic pulse intensity by adjusting laser energy and gas jet pressure, enabling controlled EMP applications. The study identified four primary sources of EMPs and found a correlation between EMP intensity and electron acceleration.
The University of Michigan researchers discovered a simple annealing method that enhances the quality of materials used in cell phones, sensors and energy harvesting devices. The process boosts piezoelectricity eight times beyond current technology.
Researchers developed a novel CMOS chip-based phased-array receiver that maximizes satellite performance by supporting dual-polarized beams, enabling greater communication flexibility. The innovation doubles the number of controllable beams and improves system capacity, making it crucial for real-world deployments.
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.