Articles tagged with Graphene
Researchers at the University of Texas at Austin have successfully synthesized large-area graphene on copper foils, which may lead to the development of faster computers and electronic devices. The graphene's high electron- and hole-mobility enables extremely high switching speeds in nanoelectronic devices.
A team of scientists and engineers from Stanford, University of Florida, and Lawrence Livermore National Laboratory created an n-type transistor out of graphene nanoribbon, opening the door to faster, smaller, and more versatile computer chips.
Researchers at Stanford University have developed a new method to produce mass quantities of graphene nanoribbons, which are essential for electronics applications. The technique uses plasma etching to slice open carbon nanotubes, creating uniform ribbons with smooth edges.
Researchers at Kansas State University have created a graphene-based DNA sensor that can detect cancer cells in blood, leveraging the unique properties of this single-atom thick carbon material. This technology has the potential to revolutionize cancer diagnosis and treatment, offering a new frontier in materials science and biology.
Researchers at Berkeley Lab used the world's most powerful transmission electron microscope to observe real-time carbon atom movement around a hole in graphene. The study found that zigzag configurations are more stable than armchair configurations, holding promise for predicting and controlling device stability.
Engineers at the University of Texas at Austin have developed a method to disperse chemically modified graphene in a wide variety of organic solvents. This breakthrough enables the use of graphene in various materials and applications, including conductive films, polymer composites, and energy storage devices.
Engineers create method for stamping multiple graphene sheets onto substrate in precise locations, enabling mass production of smaller, faster electronics. The technique holds promise for delivering quantum mechanical effects and enabling new kinds of electronics.
Researchers at MIT have developed a new material called graphene that can enable microchips to operate at much higher speeds than current silicon chips. The new technology uses a single transistor and produces a clean output signal, leading to faster computers and cellphones.
Researchers at the University of Illinois have proven that graphene's edge structure significantly influences its electronic properties. The discovery has major implications for transistor fabrication and requires controlled engineering of the graphene edge structure.
Researchers at Northwestern University developed a novel method to assemble graphite oxide sheets into continuous membranes, overcoming conventional thin-film processing limitations. This breakthrough enables the creation of high-quality graphene devices with high successful yields and potential applications in energy-related fields.
Researchers have discovered a new method to control graphene's properties by growing it on different surfaces. The results show that the chemistry of the surface plays a key role in shaping the material's conductive properties, allowing for the creation of either metallic or semiconductor graphene.
The University of Exeter and Bath have secured a £5 million Science and Innovation Award to create the Centre of Graphene Science. Researchers will focus on graphene's mechanical, electrical, and optical properties for computing and medicine applications.
Researchers at Rice University have developed a graphene-based memory device that can store large amounts of data in a two-dimensional array. This technology increases storage capacity by a factor of five and consumes virtually no power.
Researchers from UCLA's California NanoSystems Institute propose a method to produce graphene sheets in large quantities using hydrazine solution. This breakthrough enables the creation of the largest graphene sample reported, with applications in solar cells, sensors, and electronic devices.
Researchers from UNC Chapel Hill found that water behaves differently inside carbon nanotubes depending on temperature, with potential implications for ultra-tiny devices and biological structures. The study's findings may lead to new technologies such as nano-fluidic chips and permeable membranes.
Researchers at the University of Texas at Austin have created a new graphene-based material that helps solve the structure of graphite oxide. The material, made by replacing normal carbon atoms with magnetically active carbon-13, will enable scientists to create different types of graphene and study its chemical structure.
Cornell researchers have created a one-atom-thick graphene membrane that is ultra-strong, leak-proof and impermeable to gases. The membrane could be used for various applications such as imaging biological materials in solution or studying the movement of atoms through microscopic holes.
Researchers at the University of Texas at Austin have developed a new carbon-based material called graphene that can store electrical charge in ultracapacitor devices, potentially doubling their capacity. The breakthrough could enable the massive installation of renewable energies like wind and solar power.
Prof Andre Geim and Dr Kostya Novoselov, who discovered graphene in 2004, have won the prestigious Europhysics Prize. Their work reveals graphene's remarkable electronic properties, with applications such as transistors and sensors.
Researchers at the University of Pennsylvania have developed a method to etch graphene along flawless, crystallographic axes using thermally activated nanoparticles. This technique enables the creation of atomically precise, macroscopic length ribbons of graphene with potential applications in integrated circuits.
Graphene films have been characterized to vary their surface potential with thickness, aligning with predictions of a nonlinear Thomas-Fermi theory. This advancement clarifies electronic interaction between insulating substrates and few-layer graphene films, essential for device engineering.
Scientists at Berkeley Lab have discovered an unexpected gap-like feature in graphene's energy spectrum, attributed to phonon interactions. This finding opens new possibilities for graphene nanodevices and applications.
Researchers used the Advanced Light Source to study graphene's properties and found that electrons strongly interact with each other. The discovery sheds light on graphene's potential applications in electronic devices.
Researchers measured graphene's properties with unprecedented accuracy, confirming its unusual features and revealing significant departures from theoretical predictions. The results point to novel practical applications in nanoscale electronics.
Researchers at Stanford University have developed a new way to make transistors out of carbon nanoribbons, which can operate at room temperature and increase the speed of computer chips. The devices are smoother and narrower than previously made graphene nanoribbons, allowing them to work at higher temperatures.
Researchers at Northwestern University and Princeton University created a new kind of polymer that incorporates functionalized, exfoliated graphene sheets, exhibiting extraordinary thermal and mechanical properties. The polymer's electroconductivity is also being studied to create optically transparent conducting polymers.
Researchers at the University of Manchester have developed tiny liquid crystal devices with graphene electrodes, paving the way for computer and TV displays based on this technology. The graphene-based films are highly transparent and conductive, making them ideal for applications in various electro-optical devices.
Researchers from the University of Manchester have successfully created the world's smallest transistor using graphene, a one-atom-thick material. The breakthrough paves the way for significant advancements in nanoelectronics and could potentially solve the scaling limitations of traditional electronics.
Graphene outperforms silicon in terms of mobility, allowing for high-speed electronic devices and biochemical sensors. Researchers found that thermal vibrations have a small effect on electrons in graphene, making it promising for various applications.
Researchers have created a practical technique to replace silicon with graphene, a single layer of carbon atoms, allowing for 10 times better information processing and radio transmission capabilities. This breakthrough could lead to the development of high-performance wireless devices within a few years.
Researchers found that electrons in graphene behave like quantum billiard balls, with wave-like properties and interference patterns. The discovery could lead to new applications such as ballistic transistors and resonant cavities for electrons.
Researchers have created graphene-based devices that can detect individual molecules of a toxic gas, offering potential applications for detecting hidden explosives and deadly carbon monoxide. The discovery was made by Dr Kostya Novoselov and Professor Andre Geim at the University of Manchester.
Researchers at Northwestern University have developed graphene oxide paper with superior mechanical properties, potential applications in energy storage, and the ability to be chemically tunable. The material's unique combination of electrical insulation and controlled permeability makes it suitable for various industries.
Researchers at Rensselaer Polytechnic Institute have made a breakthrough in graphene's conductive properties, demonstrating that length and width impact conduction. This finding could enable mass production of metallic graphene for use in computer chips, replacing copper as primary interconnect material.
Researchers from NIST and Georgia Tech created detailed maps of electron interference patterns in graphene to understand how single-atom defects affect charge flow. The results show that missing carbon atoms cause strong scattering, unlike irregularities in the underlying silicon carbide.
Scientists at Brookhaven National Laboratory have devised methods to make spintronic devices based on electron spin, potentially increasing electronic device productivity. The development uses graphene-magnet multilayers and aims to create a full spectrum of spintronic devices, including re-writable microchips and transistors.
Researchers at Max Planck Institute for Solid State Research and University of Manchester fabricate ultra-thin membranes made of graphene, a single layer of carbon atoms. The membranes have demonstrated stability comparable to corrugated cardboard despite their thinness.
Researchers at The University of Manchester have developed a new type of technology using the world's thinnest material, which can be used to sieve gases and make ultra-fast electronic switches. The discovery has significant implications for the development of medical drugs, as it will potentially allow the rapid analysis of atomic str...
Researchers at the University of Manchester have developed a new type of transistor made from graphene, which is only one atom thick and less than 50 atoms wide. This innovation could lead to the development of faster computer chips by allowing for the rapid miniaturization of electronics.
A Cornell graduate student has created a graphene resonator, a single sheet of carbon atoms just one atom thick that can be used to weigh tiny masses or measure pressure. The material is also stiff and ultrathin, making it suitable for other experiments that require a thin and light membrane.
Researchers sponsored by ONR have made groundbreaking discoveries in graphene and carbon nanotubes, leading to novel electronic devices and sensors. Their work has the potential to revolutionize industries such as electronics and materials science.
Researchers have developed graphene circuitry comparable to carbon nanotubes, allowing for high-volume production. The material exhibits high electron mobility and coherence, enabling the transport of electrons through waveguides. Challenges ahead include improving patterning techniques and understanding fundamental properties.
Graphene, a material that gives pencils their marking ability, has been used to produce proof-of-principle transistors, loop devices, and circuitry. The researchers hope to use graphene layers as the basis for revolutionary electronic systems that would manipulate electrons as waves rather than particles.
Researchers have successfully tested Einstein's relativity theory using ultra-thin Graphene, a material created by extracting graphite via pencil-tracing. This breakthrough enables direct experiments to test relativistic ideas, potentially leading to groundbreaking discoveries.
Researchers at University of Manchester create graphene, the first two-dimensional fullerene, exhibiting remarkable electronic properties. The nanofabric shows potential to replace gallium arsenide in niche markets due to low energy consumption and high electron mobility.