Articles tagged with Electronic Devices
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.
Researchers at Tokyo Institute of Technology have developed a new synthesis method for producing high-performance n-type semiconducting polymers using the DArP method. The resulting polymers, P1 and P2, exhibit significant improvements in electron mobility and stability compared to existing materials.
Researchers at the University of Houston have developed a multifunctional ultra-thin wearable electronic device that can be worn on human skin without being noticed. The device has potential applications in healthcare and robotics, allowing it to automatically collect information and relay it back to the wearer.
A University of Queensland study found that some young children are spending an average of 50 minutes per day on screens, exceeding the national guideline of zero screen time in children under two. The guidelines aim to provide a healthy start for children and limit screen time to promote development and growth.
KIST researchers created a fibrous transistor that maintains functionality even after washing and bending. The device overcomes limitations of current electronic textiles, enabling the development of next-generation wearable computers and smart clothing.
Researchers at the University of Bristol have successfully demonstrated a new material's ultra-high thermal conductivity, twice that of copper. This breakthrough paves the way for energy-efficient devices in mobile phones, radars, and electric cars, leading to better performance and safety.
A new computational model developed by Preeya Achari predicts the behavior of water on the surface of hexagonal boron nitride, a compound used in cosmetic products. The model provides more control over devices made with this material and water, leading to improved performance.
Researchers at Hokkaido University developed a computational approach to predict the behavior of clusters of molecules, enabling faster electronic devices with on/off switching and reversible conductivity. This method could lead to the creation of cluster molecular electronics, a new field of science.
A study by Canadian researchers reveals that hands play a central role in transferring organophosphate ester (OPE) flame retardants and plasticizers through the indoor environment. The study found that most chemicals were present on all surfaces, including electronic devices, floor dust, and participant's hands.
Researchers at KAIST created a textile-based wearable display module that is washable and does not require an external power source. The device integrates polymer solar cells with organic light emitting diodes and features a new encapsulation barrier for reliability.
Researchers at Ohio State University have found a new material that can serve dual roles in electronics, simplifying the use of electrons and holes. This discovery could lead to more efficient electronic devices, such as solar cells, light-emitting diodes, and transistors.
A theoretical model has been developed to describe how chiral molecules can create a spin current, potentially revolutionizing electronic devices. The model predicts that certain circuits with four contacts will allow the detection of this effect.
Scientists developed a technique to integrate single-crystal hybrid perovskites into electronics, enabling flexible devices with reduced manufacturing costs. The advance opens new research avenues for applications in solar cells, LEDs, and photodetectors.
A team of researchers has found a surprising link between emergent magnetism and mechanical pressure in artificially engineered non-magnetic oxide heterostructures. The study reveals that the strength of magnetism can be controlled by applying pressure to the material, opening new routes for developing novel spintronic devices.
Researchers investigated the transition from tunneling leakage current to molecular tunneling in single-molecule junctions, finding optimal nanogap distances for proper function. The study suggests that future single-molecule electronics require precise control over molecular length and gap size.
A new method has been developed to efficiently harvest 2-D materials at the wafer scale, opening up opportunities for flexible electronics. This technique allows researchers to separate individual monolayers of 2-D material in just a few minutes, paving the way for commercialization.
Researchers at Tokyo Institute of Technology have demonstrated that special tetrahedron nanostructures composed of certain metals can exhibit a higher degree of symmetry than spherical atoms. This new type of symmetry may lead to unprecedented electrical and magnetic properties, enabling the creation of novel electronic materials.
Researchers designed a novel molecular wire with a polyyne backbone and a ruthenium-based unit, achieving higher conductance than previous organic molecular wires. The origin of high conductance lies in orbital splitting, which induces changes in the electron orbitals to facilitate electron transfer between metal electrodes and the wir...
Researchers have created all-solid-state batteries with extremely low interface resistance, enabling fast charging and discharging. The batteries showed excellent electrochemical properties, exceeding those of traditional Li-ion batteries.
Allowing students to access electronic devices during lectures can lower scores in end-of-term exams by at least 5%, or half a grade. Students who don't use devices but attend classes where they're permitted also perform poorly.
Researchers aim to create dialects for 'islands' of communicating devices, making attacks harder to launch. The goal is to strike a balance between efficiency, interoperability and security.
Recent advances in flexible and stretchable electronics are used for electronic skins and biological devices in human healthcare. The materials, structures, and functionalities of various biological sensors are introduced to provide potential ideas for commercial applications.
Researchers at the University of Illinois and Texas have optimized boron arsenide crystal growth to create materials with excellent thermal properties. The new material can effectively dissipate heat, outperforming existing heat spreaders three times over.
Researchers create flexible terahertz imagers based on semiconducting carbon nanotube materials that can be fine-tuned to maximize detector performance. The findings expand the scope of terahertz applications, enabling wearable technologies and large-area photonic devices.
Researchers developed a portable keyboard using soft Ecoflex silicone rubber with conductive carbon nanotubes that can withstand bending and crumpling. The device is thin, flexible, and inexpensive, costing only $1, making it suitable for everyday life.