Articles tagged with Electronic Devices
Researchers at Aalto University have developed a precise microwave source that operates at extremely low temperatures, potentially removing the need for high-frequency control cables. The new device could enable larger quantum processors with more qubits, increasing their potential applications in fields like computing and sensing.
A new battery-free wearable device detects nicotine in real-time and sends data wirelessly to smartphones, allowing users to measure their exposure to vaporized nicotine. The device uses a thin film of vanadium dioxide to detect conductivity changes caused by nicotine concentration.
Scientists at TU Wien have developed a novel germanium-based transistor with the ability to perform different logical tasks, offering improved adaptability and flexibility in chip design. This technology has potential applications in artificial intelligence, neural networks, and logic circuits that work with more than just 0 and 1.
The report reveals that electronic waste generated in the region rose by 50% between 2010 and 2019, with only 3.2% collected and safely managed. The regional e-waste total jumped from 1.7 Mt to 2.5 Mt, with Russia generating the most e-waste.
Researchers at GIST have made a breakthrough in creating a perovskite material with easily tunable electrical properties. The study used ambient pressure X-ray photoelectron spectroscopy and low energy electron diffraction to investigate the effects of fabrication conditions on the material's surface.
Researchers from Tokyo Tech have developed a long DNA molecule-based junction that shows remarkable conductivity and self-restoring ability under electrical failure. The 'zipper' configuration allows for high electron transport and reveals delocalized ς-electrons moving freely within the molecule.
Scientists develop a new way to control heat flow through ultrathin layers, promising sensitive thermoelectric devices. Weaker coupling between layers reduces heat transport by up to ten times.
A new composite ink composed of ceramic particles in polymer acrylonitrile-butadiene-styrene (ABS) has been developed to make foldable electronics easier and cheaper to manufacture. The ink enables the creation of flexible, large-area dielectric substrates suitable for millimeter-wave devices, including 5G antennas.
A team of scientists at NAIST successfully used automatic differentiation to accelerate calculations of model parameter extraction, reducing computation time by 3.5 times compared to conventional methods. This breakthrough enables the design of more efficient power converters with increased performance and reduced energy consumption.
Researchers at Incheon National University have developed a compact and robust optical sensor that can convert light to digital signals, suitable for flexible electronics. The new design architecture enables superior chip area efficiency and large-area scalability.
Researchers developed an all-nitride superconducting qubit using niobium nitride on a silicon substrate, achieving long coherence times of up to 22 microseconds. The breakthrough paves the way for large-scale integration and potential applications in quantum computers and nodes.
Researchers at CU Boulder have discovered a way to cool down ultra-small heat sources by packing them closer together, using computational simulations to track the passage of heat. The findings highlight the challenges of designing efficient electronic devices and could lead to faster cooling in future tech.
Researchers from SUTD discover a family of 2D semiconductors with Ohmic contacts, reducing electrical resistance and generating less waste heat. This breakthrough could pave the way for high-performance and energy-efficient electronics, potentially replacing silicon-based technology.
The study explores chromium oxides, magnetic compounds used in old tapes, and finds that adding oxygen atoms increases metallic properties. This allows for precise control over electrical conductance, enabling the design of molecular-sized components with vast processing and storage capacities.
The new molecular device has exceptional memory reconfigurability, allowing for enhanced computational power and speed. It can be reconfigured using voltage to embed different computational tasks, making it a potential game-changer in edge computing and applications with limited power resources.
Researchers confirm FDA recommendation that patients keep consumer electronics, such as cell phones and smart watches, six inches away from implanted medical devices. Studies found that these devices can trigger magnet mode in pacemakers and defibrillators, posing a risk to patient safety.
SUTD researchers developed a liquid metal antenna that can conform to soft biological tissues, addressing the mechanical mismatch at the tissue-device interface. The antenna demonstrated high wireless powering efficiency and stability under extreme deformations, making it suitable for implantable devices in hard-to-reach lesions.
Researchers create transistors with an ultra-thin metal gate grown as part of the semiconductor crystal, eliminating oxidation scattering. This design improves device performance in high-frequency applications, quantum computing, and qubit applications.
Researchers found a solution to overcome ion interference in perovskite transistors, enabling room-temperature operation. The breakthrough uses ferroelectric materials to mitigate ion transport, promising applications in low-cost electronics.
A Hebrew University study reveals that as worldwide lead production increases, so do rates of lead absorption in people, leading to toxic effects. The research uses ancient human bones to show the close relationship between lead production and human exposure.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
Researchers from Terasaki Institute for Biomedical Innovation developed a method to fabricate ultrathin gold shells around silver nanowires, improving their stability and effectiveness. The gold-coated nanowires showed superior durability and performance in various tests, outperforming commercial nanowires.
NTU scientists create soft and stretchable battery powered by human perspiration, suitable for wearable devices. The battery generates electricity in the presence of sweat, providing a sustainable alternative to conventional batteries.
The UCLA-led team has devised a solution to enhance wavelength-conversion efficiency by exploring semiconductor surface states. Incoming light is bent using a nanoantenna array, allowing for easy and efficient conversion of wavelengths.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
Researchers use ultrafast electron diffraction to observe an electronic device as it operates, discovering a new intermediate state that enables fast and energy-efficient switching. The study paves the way for next-generation electronic devices that can meet the world's growing needs for data-intensive computing.
Researchers at University of Bristol have developed a method to measure electric field inside semiconductor devices, enabling more efficient power and radio frequency electronics. This breakthrough has the potential to reduce energy loss by up to 10% across the globe and is a step towards a carbon neutral society.
Researchers have developed a printing technique to fabricate flexible supercapacitors, which can be bent, stretched, and twisted without losing electrochemical function. The printed devices use printable electrodes and functional inks, offering flexibility and low cost for various applications.
A study of 2,123 Italian residents found that increased evening screen time during the Covid-19 lockdown negatively affects sleep quality, with decreased sleep times and later bedtimes. In contrast, participants who reduced their screen time before bed showed improved sleep quality and fewer insomnia symptoms.
Scientists investigate 'bite' defects in armchair and zigzag graphene nanoribbons, finding they can disrupt electronic transport but also yield spin-polarized currents. The study aims to minimize the detrimental effects of these defects on charge transport for next-generation nanotechnologies.
Graphene nanoribbons exhibit structural disorder due to missing carbon atoms, known as 'bite' defects. These imperfections degrade electronic device performance but offer promising opportunities for spintronic applications with unique magnetic properties.
Researchers discovered Zeeman spin-orbit coupling in two different materials, demonstrating its generic nature and opening possibilities for spin manipulation. This breakthrough may lead to the development of fundamentally new electronic devices with high storage density and fast operation.
Researchers at Linköping University developed a stable, high-conductivity n-type polymeric ink, known as BBL:PEI. This breakthrough paves the way for innovative printed electronics with improved energy efficiency. The new ink is eco-friendly and can be deposited using a simple spraying process.
Researchers at the University of Sydney have made a breakthrough in understanding ferroelectric fatigue, a major cause of electronic device failure. By observing the degradation process at the nanoscale, they hope to inform the design of longer-lasting devices with better endurance.
Researchers have successfully tracked the ultrafast motion of electrons inside a Xenon atom using synchrotron radiation. By interfering with the coherent light waves, they observed the electron movement at a time scale of femtoseconds, significantly faster than previously thought.
Engineers at the University of California, Riverside developed a flexible film that combines excellent electromagnetic shielding with ease of manufacture, promising for high-frequency communication technologies. The film, made from a polymer matrix filled with bundles of quasi-one-dimensional van der Waals materials, demonstrates excep...
Researchers at the University of Tsukuba have developed a technique to visualize ultrafast electron motion with sub-nanoscale spatial resolution, enabling the study of semiconductor device operation and potential defect control. This breakthrough may lead to more efficient electronic devices.
Scientists have successfully controlled spin dynamics in magnetic materials using a technique called resonant inelastic x-ray scattering. By studying thin films of iron as thin as one nanometer, researchers discovered that the thickness of magnetic materials can act as a 'knob' for fine-tuning spin dynamics.
Researchers at Osaka University developed twisted molecular wires that can conduct electricity with reduced resistance. The creation of smaller islands that are closer in energy maximized the conductivity, and temperature measurements confirmed the role of electron hopping.
Researchers have developed a self-repairing gelatin-based film that can mend cracks in minutes and preserve electrical functionality. The film, which incorporates glucose, can be used to enhance the durability of touchscreen and flexible display devices.
Researchers at Tohoku University successfully demonstrated current-induced switching in a polycrystalline metallic antiferromagnetic heterostructure with high thermal stability. This breakthrough enables potential applications in future electronic device development.
Researchers at the University of Colorado Boulder have developed a stretchy and fully-recyclable circuit board that can heal itself like real skin. The device can perform various sensory tasks, including measuring body temperature and tracking daily step counts.
Researchers at KAUST have developed a fast and efficient way to make a carbon material that can dissipate heat in electronic devices. The new material, called nanometer-thick graphite film (NGF), is approximately 100 nanometers thick and can be grown on nickel foils using chemical vapor deposition.
Researchers at EPFL developed a novel microfluidic cooling technology that integrates electronics and cooling systems, enabling compact devices with improved heat management. This innovation aims to reduce energy consumption and minimize environmental impact by eliminating large external heat sinks.
A compound used in rewritable discs has been found to exhibit Dirac electrons, behaving similarly to graphene. The discovery could lead to the development of faster electronic devices with improved switching speeds.
Researchers at ANU have developed a novel organic semiconductor material that can be bent into any shape, promising faster and more flexible electronic devices. The material is made of just carbon and hydrogen, making it biodegradable and recyclable, which could reduce e-waste.
Researchers developed an approach to wirelessly power implantable devices via a skin-worn light-emitting patch, which transfers photons to a photovoltaic device integrated with the implant. The method was successfully tested in mice, demonstrating its efficacy.
Researchers developed a machine learning system that can automatically detect and label 2D materials in microscope images, reducing the time required for their development. The system was trained using labeled examples and achieved accuracy in under 200 milliseconds, enabling faster testing of new electronic devices.
Researchers at EPFL have developed a novel formulation that describes how heat spreads within crystalline materials. This breakthrough will help engineers design next-generation electronic devices by explaining hydrodynamic phenomena, which are prevalent in materials like graphite and graphene.
Researchers at Northwestern University have developed a new method to visualize the dynamic motion of atoms in atomically thin 2D materials. The technique reveals that sulfur atoms in MoS2 move continuously to vacant areas, causing grain boundaries to separate and leading to material failure.
Researchers created on-skin electronic devices with passive-cooling capabilities using a multiscale porous elastomer substrate. The devices demonstrated comparable performance to conventional electronics while being breathable, waterproof, and recyclable.
Molecular electronic devices use molecules to build ordered systems with quantum effects, offering advantages like small volume, easy synthesis, and high efficiency. However, research is still theoretical, and device manufacturing reliability, repeatability, and cost need improvement.
A new method uses isomaltodextrin, a cheap and widely available polysaccharide, to separate semiconducting from metallic single-wall carbon nanotubes. The purified semiconducting SWCNTs were found to improve the performance of thin-film transistors in LCD displays.
Researchers at RUDN University have developed a method to identify electronic devices using defects in flash memory cells, which are unique to each device. The distribution and nature of these defects can be used to create 'fingerprints' that cannot be faked.
A team of researchers has reported a new manufacturing method, CAS printing, to produce curvy electronic devices such as smart contact lenses and hemispherical solar cells. The technique enables the efficient production of three-dimensional curvy structures with high accuracy.
Scientists have created a way to fully characterize the dynamics of antiferromagnetic materials, enabling faster electronic devices. The approach uses light-based measurement methods and provides unprecedented speeds.
A recent study at the University of Arkansas found that women and shorter individuals bend their necks differently than men and taller individuals. The findings suggest that this may contribute to the higher incidence of neck and jaw pain experienced by women.
Researchers at Tufts University developed transistors made from linen thread, enabling the creation of fully flexible devices with superior flexibility and material diversity. The device can be woven into fabric or worn on the skin, allowing for seamless integration with biological tissues.
Researchers at Max Planck Institute create high-performance nylon capacitors using a new method, paving the way for flexible and transparent electronic devices. The thin films are several 100 times thinner than human hair and can be used in wearable electronics.
Researchers created stretchable metal composites with high electric conductivity that can be 3D printed on soft substrates at room temperature. This breakthrough technology enables the production of compact and slim wearable devices with improved data recording capabilities.