Articles tagged with Nanowires
Researchers observed electrode wires made from materials used in rechargeable lithium ion batteries contorting and fatten as they become charged with electricity. This study suggests how rechargeable batteries eventually give out and might offer insights for improving battery performance.
Researchers at Sandia National Laboratories have created the world's smallest battery using a single tin oxide nanowire anode, which nearly doubles in length during charging. The discovery provides new insights into lithium batteries and could improve power and energy density.
Researchers have developed ultra-clean nanowires with a perfect cubic crystal structure, allowing for higher efficiency in nano-electronic devices. The breakthrough is achieved by growing wires on a silicon substrate without metal catalysis.
Henny Zandbergen receives EU funding to develop 'NanoElectrical Measurements in a Transmission Electron Microscope' (NEMinTEM) equipment and methods. This technology enables real-time measurements of electrical characteristics of nanostructures, paving the way for groundbreaking research.
Researchers have discovered that specialized bacterial filaments, known as nanowires, can conduct electricity, allowing microbial colonies to thrive. The findings suggest a new way for bacteria to transfer electrons and support each other, potentially leading to breakthroughs in biofilm resistance and sustainable energy.
Researchers at NIST developed a surface-directed method for growing nanowires horizontally, producing nano-LEDs with improved properties. The technique enables easy localization of individual heterojunctions on the surface, making it suitable for various applications.
Researchers have developed tiny devices that convert waste heat into electricity using pyroelectric nanowires. The devices can generate an electrical current in response to temperature changes, offering a potential solution for powering small devices and biological applications.
Researchers at Caltech have developed a new type of material made out of silicon that could lead to more efficient thermoelectric devices. The material is composed of a thin film with a grid-like arrangement of tiny holes, which slows down phonons and lowers its thermal conductivity.
Researchers create pressure-sensitive electronic material using semiconductor nanowires, enabling robots to grip fragile objects. The 'e-skin' technology also holds promise for restoring sense of touch in patients with prosthetic limbs.
The researchers have developed a new class of electronic logic device using strain-gated transistors fabricated on a flexible polymer substrate, enabling logic operations powered by mechanical action. The devices can be combined to create self-powered, autonomous systems with memory, processing, and sensing capabilities.
Stanford researchers have developed a high-speed, low-cost filter that kills bacteria with an electrical field, allowing for faster filtering and reduced costs. The filter uses silver nanowires and carbon nanotubes to create a smooth, conducting surface, making it efficient and effective in purifying water.
Researchers at Harvard University have developed nanowire-based V-shaped transistors that can be inserted into cells without damaging them. These devices allow for the measurement of ion flux or electrical signals within cells, and can even be fitted with receptors to probe for specific biochemicals.
NIST nanowires grown through precisely defined holes in a stencil-like mask covering the silicon wafer exhibit excellent mechanical quality factors and controlled diameter placement. The technique enables precise control of wire location, resulting in uniform shape and size of nearly perfect hexagonal shapes.
Engineering researchers developed a low-cost solution to overcome surface tension clumping nanowires during manufacturing, enabling more efficient solar cells and batteries. The new process uses an electrical charge to repel neighboring wires, improving their density and surface area.
Empa researchers create simple networks of organic nanowires with perfectly monocrystalline structure. The nanowires can be combined to form complex electronic circuits, including solar cells and transistors.
Researchers at Argonne National Laboratory have developed a new material that can decompose organic molecules in polluted water using visible light. By decorating silver chloride nanowires with gold nanoparticles, they have created a photocatalytic system that can break down pollutants like methylene blue.
Researchers found that flaws in magnetic nanowire structure impact device operating speed. Disorder in the wire enables domain walls to move faster, affecting future experiment interpretation.
Researchers at Duke University have created copper nanowires that are both transparent and conductive, making them ideal for flexible displays and thin-film solar cells. These nanowires are cheaper than silver nanowires and outperform carbon nanotubes, offering a promising solution to the limitations of ITO.
Scientists at Rice University have made a breakthrough in creating highly purified samples of carbon nanotube species using ultracentrifugation, a technique that can help enable the development of efficient nationwide electrical grids and critical applications in medicine and electronics.
Researchers at ESRF found that a five-fold coordinated surface triggers supercooling, which is then confirmed through experiments with a gold-silicon alloy. This discovery resolves long-standing debates and has implications for hail prevention, technological processes, and semiconductor nanostructure growth.
Cui's team has developed lightweight paper batteries, supercapacitors, and eTextiles that can store energy while retaining mechanical properties. The technology has potential applications in homes, gadgets, sportswear, and wearable power.
Researchers created a novel diamond nanowire device that can generate single photons, controlled at the atomic scale. The device leverages imperfections in the diamond crystal to act as a source of individual photons, with applications in advanced imaging and quantum communications.
Gold and silver nanowires can form strong bonds without the need for heat, a breakthrough that could simplify the creation of high-density electronic devices. The discovery was made by Rice University researchers who observed the self-healing process under an electron microscope.
Researchers at Harvard University have created a diamond-based nanowire device that improves the performance of single photon sources, enabling fast and secure computing with light. This breakthrough could lead to new applications in quantum cryptography, quantum computing, and magnetic field imaging.
Researchers at UCLA and IBM successfully grown silicon-germanium semiconducting nanowires for potential use in next-generation transistors. The nanowires could help speed the development of smaller, faster and more powerful electronics.
Researchers at Stanford University have developed a method to produce ultra-lightweight, bendable batteries and supercapacitors using ordinary paper coated with carbon nanotubes and silver nanowires. The paper-based energy storage devices can store and discharge electricity rapidly and are highly durable.
Scientists at IBM and Purdue University have successfully created ultrasmall transistors using semiconducting nanowires with sharply defined layers of silicon and germanium. This breakthrough could lead to faster computing and more powerful computer chips.
Researchers from North Carolina State University found that silicon nanowires have increasing deformability and strength as they get smaller. This discovery could lead to the development of novel silicon nanodevices with enhanced reliability and design options.
A University of Pennsylvania team has developed a method to transform semiconducting nanowires into various nanoscale materials using ion exchange reactions. This process enables the creation of reconfigurable materials and circuits with precise control over their chemical composition, structure, and morphology.
Scientists at Lund University successfully injected nanowires into rat brains, revealing that the brain's 'clean-up' cells (microglia) take care of the wires. After 12 weeks, only minor differences were observed between test and control groups.
Scientists at Harvard University have introduced kinks into arrow-straight nanowires, creating zigzagging 2-D and 3-D structures with enhanced electrical properties. These new nanostructures enable the integration of active devices, fostering potential breakthroughs in biomedicine and electronics.
Researchers at the University of Texas at Austin have conducted a basic chemistry experiment in a world's smallest test tube, measuring thousandth of human hair diameter. The nano-scale test tube was heated and observed to melt gold at its tip, demonstrating well-known phenomena like melting, capillarity and diffusion at nanoscale.
Researchers have created prototype computer electronics on the nanoscale using organic and inorganic nanowires. The new material has a low operational current, high mobility, and good stability, making it a promising alternative to silicon transistors.
Lawrence Livermore National Laboratory researchers have devised a versatile hybrid platform that uses lipid-coated nanowires to build prototype bionanoelectronic devices. The platform enhances biosensing and diagnostic tools, advances neural prosthetics such as cochlear implants, and could increase the efficiency of future computers.
A new device has been developed that can detect viruses and biological materials more quickly and cheaply than existing methods. The device uses synthetic antibody mimic proteins attached to nanowires to create a sharp measurement of current, allowing for rapid detection in under 10 minutes.
Researchers at Harvard University have demonstrated the activation energy of impurities in semiconductor nanowires is affected by surrounding dielectric, which can be modified to optimize device performance. The study confirms the dielectric confinement effect, a key phenomenon in doping and conduction in nanostructures.
Researchers at the University of Illinois have developed a new technique to create self-aligned and defect-free nanowire channels using gallium arsenide. This breakthrough could lead to the creation of higher performance transistors for next-generation integrated circuit applications.
By using atom probe tomography, researchers have provided an atomic-level view of the composition of a nanowire, allowing for precise measurement of dopant atoms and understanding of synthesis conditions. This breakthrough enables control over electronic properties of nanowire devices, paving the way for improved device performance.
Researchers at the University of Southern California have created a new type of supercapacitor that is both transparent and flexible, allowing for potential applications in 'e-paper' displays and conformable products. The device stores an energy density of 1.29 Watt-hour/kilogram, significantly higher than conventional capacitors.
Scientists have developed a technology that can convert mechanical energy from body movements into electric energy, which can be used to power electronic devices without batteries. The new 'nanogenerator' has potential applications in defense technology, environmental monitoring, biomedical sciences, and personal electronics.
Researchers at the University of Rochester have developed long, thin platinum nanowires that could improve the performance of fuel cells. The wires are designed to provide a larger surface area for catalysis, reducing the loss of platinum particles during fuel cell operation.
Researchers create handheld device to recognize and report on environmental or medical compounds using biologically tagged nanowires and integrated circuit chips. The method allows for accurate placement of nanowires with less than a micron accuracy, enabling simultaneous detection of different pathogens or diseases.
Researchers at NPL developed magnetic semiconductors with superior performance, showing potential for electronic devices. The technology could revolutionize computing and be realized in 10 years, sustaining Moore's Law.
Silicon nanowires show highly repeatable nucleation process, allowing for predictable growth and design of electronic systems. The research could enable the continuation of Moore's law by providing a new manufacturing method for nanowire-based electronics.
Researchers at Northwestern University resolved discrepancies in ZnO nanowire elasticity by performing experiments and computational studies. The findings reveal that the elastic stiffness of ZnO nanowires monotonically increases as their diameter decreases, with atomic level changes attributed to surface reconstruction.
Researchers at Yale University have created nanowire sensors that can detect specific antigens and identify diseases with high sensitivity and specificity. The system uses immune cell activation to generate a current in the nanowires, allowing it to detect as few as 200 activated cells.
A new electroplating process that joins many silicon nanowires to prepatterned electrodes in parallel has been chosen for the Nano 50 Award. This technique allows for lower-cost production of semiconducting nanowires used in electronic sensor arrays.
Researchers at MIT create a membrane that can absorb up to 20 times its weight in oil, and can be recycled for future use. The oil itself can also be recovered, making it an important tool in the cleanup of oil spills.
Researchers at UC San Diego have created experimental solar cells with nanowires that show promise as efficient thin-film solar cells of the future. The new design increases electron transport and reduces recombination, leading to a significant boost in efficiency.
Researchers create reproducible and controlled fabrication method for integrating nanowire photonic and electronic integrated circuits onto silicon, enabling standard manufacturing settings.
Scientists have created a new generation of nanomotors that are up to 10 times more powerful than existing motors, with top speeds reaching 94-200 micrometers per second. The innovation uses carbon nanotubes to boost the speed and efficiency of the motors.
Researchers at the University of Wisconsin-Madison have developed a novel method for growing nanowires using spiral-shaped trees. By manipulating crystal defects, they create long, twisting trunks and spiraling branches. This discovery has significant implications for creating new materials with unique properties.
Researchers at the University of Illinois developed a low-temperature, catalyst-free method for growing copper nanowires, suitable for integration into electronic devices. The copper nanowires can serve as interconnects and electron emitters in field-emission displays, which could lead to longer-lasting displays.
Researchers at Purdue University have developed a proof-of-concept active-matrix display using transparent transistors and circuits. The display utilizes organic light-emitting diodes (OLEDS) with nanowires, which rival the brightness of conventional pixels in flat-panel television sets.
Researchers used advanced quantum-mechanical computer modeling to compare key characteristics of copper nanowires and carbon nanotube bundles. Carbon nanotubes boasted a much smaller electrical resistance, suggesting they would be better suited for interconnect applications.
Researchers developed a bottom-up manufacturing method to produce tiny resonator arrays capable of detecting multiple molecules. This approach allows for high device integration yields and flexible material access, enabling the creation of sensitive resonance-based detection schemes.
Researchers found that gold nanoclusters can change shape under an applied electric field, transforming from a three-dimensional structure to a planar flat structure. Oxygenation of gold nanowires also enables magnetic properties, with conductive behavior up to a certain length and insulating behavior beyond.
Researchers have detected significant amounts of copper in zinc oxide nanowires, a discovery that could help understand and manipulate the nanowires' optical and electrical properties. The study found that the copper increases visible light output but decreases ultraviolet emission.
Researchers develop fiber-based nanogenerators that harness energy from physical movement, generating up to 80 milliwatts of power per square meter of fabric. The devices use piezoelectric and semiconducting properties of zinc oxide nanostructures to convert mechanical motion into electrical energy.
Researchers at the University of Illinois have developed a new process to create freestanding nanofibers in complex shapes and unlimited lengths. The process uses rapid evaporation of solvent from simple