Optomechanics simulates graphene lattices
The precise control of micro-mechanical oscillators is fundamental to many contemporary technologies, from sensing and timing to radiofrequency filters in smartphones. Over the past decade, quantum control of mechanical systems has been firmly establ.....»»
Flexible, easy-to-scale nanoribbons move graphene toward use in tech applications
From radio to television to the internet, telecommunications transmissions are simply information carried on light waves and converted to electrical signals......»»
Flexible, easy-to-scale nanoribbons move graphene toward use in tech applications
Silicon-based fiber optics are currently the best structures for high-speed, long distance transmissions, but graphene -- an all-carbon, ultra-thin and adaptable material -- could improve performance even more......»»
A path to graphene topological qubits
In the quantum realm, electrons can group together to behave in interesting ways. Magnetism is one of these behaviors that we see in our day-to-day life, as is the rarer phenomena of superconductivity. Intriguingly, these two behaviors are often anta.....»»
Zoom’s new Immersive View puts everyone in the same virtual room
Zoom's new Immersive View simulates a range of different meeting environments, giving online gatherings a much more natural feel......»»
A breakthrough astrophysics code rapidly models stellar collisions
A breakthrough astrophysics code, named Octo-Tiger, simulates the evolution of self-gravitating and rotating systems of arbitrary geometry using adaptive mesh refinement and a new method to parallelize the code to achieve superior speeds......»»
"Planar and curved" pyrrole-fused azacoronenes
Recent study on synthetic approaches toward polycyclic aromatic hydrocarbons (PAHs) such as graphene with a well-defined structure have attracted much attention. A research group at Ehime University has been studying the synthesis and fundamental pro.....»»
Tracking topological conditions in graphene
Scientists have been able to demonstrate that graphene nanostructures can be generated by annealing of a nanostructured silicon carbide crystal for a few years. "These two-dimensional, spatially strongly restricted carbon bands exhibit a vanishingly.....»»
Generation of super-resolved optical needle and multifocal array using graphene oxide metalenses
In a new publication from Opto-Electronic Advances, researchers led by Professor Baohua Jia at Swinburne University of Technology, Victoria, Australia, Professor Cheng-Wei Qiu at National University of Singapore, Singapore and Professor Tian Lan at B.....»»
Finally, 3D-printed graphene aerogels for water treatment
Graphene excels at removing contaminants from water, but it's not yet a commercially viable use of the wonder material......»»
Samsung launches ‘iTest,’ a new web app for turning your iPhone into a Galaxy device
Samsung is increasing its efforts to win over iPhone customers. The smartphone maker has launched a new website called “iTest,” and it allows iPhone users to “get a little taste of Samsung” through a web application that simulates the Androi.....»»
A graphene system that freezes electrons as the temperature rises
Two teams of researchers have independently found that there exists a certain type of graphene system where electrons freeze as the temperature rises. The first team, with members from Israel, the U.S. and Japan, found that placing one layer of graph.....»»
Research team demonstrates control mechanism for quantum material
How can large amounts of data be transferred or processed as quickly as possible? One key to this could be graphene. The ultra-thin material is only one atomic layer thick, and the electrons it contains have very special properties due to quantum eff.....»»
Entropy measurements reveal exotic effect in "magic-angle" graphene
Most materials go from being solids to liquids when they are heated. One rare counter-example is helium-3, which can solidify upon heating. This counterintuitive and exotic effect, known as the Pomeranchuk effect, may now have found its electronic an.....»»
Graphene "smart surfaces" now tunable for visible spectrum
Researchers at The University of Manchester's National Graphene Institute have created optical devices with a unique range of tunability, covering the entire electromagnetic spectrum, including visible light......»»
Oxygen-promoted synthesis of armchair graphene nanoribbons on Cu(111)
On-surface synthesis has received great attention as a method to create atomically-precise one-dimensional (1D) and two-dimensional (2D) polymers with intriguing properties. In particular, graphene nanoribbons (GNRs), a category of quasi-1D nanomater.....»»
Researchers develop third and final "made-to-order" nanotube synthesis technique
The current method of manufacturing carbon nanotubes—in essence rolled up sheets of graphene—is unable to allow complete control over their diameter, length and type. This problem has recently been solved for two of the three different types of n.....»»
Tires turned into graphene that makes stronger concrete
This could be where the rubber truly hits the road......»»
Electrochemical synthesis of formate from carbon dioxide using a tin/reduced graphene oxide catalyst
Decreasing the emission and efficient utilization (fixation) of carbon dioxide (CO2) are worldwide issues to prevent global warming. Promotion of the use of renewable energy is effective in reducing CO2 emissions. However, since there are large time-.....»»
Modification of graphene using laser light
Graphene is an exciting new material, which has been characterized as a 'wonder material' because of its excellent properties. Graphene gained widespread attention in 2010 when the Nobel Prize in physics was awarded to researchers who discovered it......»»
Research finds surprising electron interaction in "magic-angle" graphene
In 2018, physicists showed that something interesting happens when two sheets of the nanomaterial graphene are placed on top of each other. When one layer is rotated to a "magic angle" of around 1.1 degrees with respect to the other, the system becom.....»»