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.....»»
Capturing the contours of live cells with novel nanoimaging technique using graphene
With every passing day, human technology becomes more refined and we become slightly better equipped to look deeper into biological processes and molecular and cellular structures, thereby gaining greater understanding of mechanisms underlying diseas.....»»
Kagome graphene promises exciting properties
Researchers around the world are searching for new synthetic materials with special properties like superconductivity—that is, the conduction of electric current without resistance. These new substances are an important step in the development of h.....»»
Wafer-scale production of graphene-based photonic devices
Our world needs reliable telecommunications more than ever before. However, classic devices have limitations in terms of size and cost and, especially, power consumption—which is directly related to greenhouse emissions. Graphene could change this.....»»
Smaller, more powerful devices possible with new technique
Shrinking semiconductors even further would enable a whole new silicon revolution. But because that's impossible, the next best hope is integrating semiconductors with 2-D atomically-thin materials, such as graphene, upon which circuits can be create.....»»
Smaller, more power devices possible with new technique
Shrinking semiconductors even further would enable a whole new silicon revolution. But because that's impossible, the next best hope is integrating semiconductors with 2-D atomically-thin materials, such as graphene, upon which circuits can be create.....»»
"Magnetic graphene" forms a new kind of magnetism
Researchers have identified a new form of magnetism in so-called magnetic graphene, which could point the way toward understanding superconductivity in this unusual type of material......»»
A magnetic twist to graphene
Electrons in materials have a property known as 'spin," which is responsible for a variety of properties, the most well-known of which is magnetism. Permanent magnets, like the ones used for refrigerator doors, have all the spins in their electrons a.....»»
Scientists use trilayer graphene to observe more robust superconductivity
In 2018, the physics world was set ablaze with the discovery that when an ultrathin layer of carbon, called graphene, is stacked and twisted to a "magic angle," that new double layered structure converts into a superconductor, allowing electricity to.....»»
Quantum tunneling in graphene advances the age of terahertz wireless communications
Scientists from MIPT, Moscow Pedagogical State University and the University of Manchester have created a highly sensitive terahertz detector based on the effect of quantum-mechanical tunneling in graphene. The sensitivity of the device is already su.....»»
Physicists create tunable superconductivity in twisted graphene "nanosandwich"
When two sheets of graphene are stacked atop each other at just the right angle, the layered structure morphs into an unconventional superconductor, allowing electric currents to pass through without resistance or wasted energy......»»
Simulating 800,000 Years of California Earthquake History To Pinpoint Risks
aarondubrow shares a report from the Texas Advanced Computing Center: A new study in the Bulletin of the Seismological Society of America presents results from a new earthquake simulator, RSQSim, that simulates hundreds of thousands of years of seism.....»»
Observing chiral edge states in gapped nanomechanical graphene
Edge states are an emerging concept in physics and have been explored as an efficient strategy to manipulate electrons, photons and phonons for next-generation hybrid electro-optomechanical circuits. Scientists have used gapless chiral edge states in.....»»
Researchers develop new graphene nanochannel water filters
When sheets of two-dimensional nanomaterials like graphene are stacked on top of each other, tiny gaps form between the sheets that have a wide variety of potential uses. In research published in the journal Nature Communications, a team of Brown Uni.....»»
This game-changing graphene tattoo can continuously monitor your brainwaves
Brainwave data is almost always captured sporadically or intermittently. But with this innovation, it could be captured continuously.....»»
Shining a HOT light on optomechanics
Hybrid Optomechanical Technologies is developing a new generation of technologies that use light and motion to create and process signals We all use micromechanical devices in our daily lives, although we may be less aware of them than electron.....»»
New way to control electrical charge in 2-D materials: Put a flake on it
Physicists at Washington University in St. Louis have discovered how to locally add electrical charge to an atomically thin graphene device by layering flakes of another thin material, alpha-RuCl3, on top of it......»»
Giving the hydrogen economy an acid test
A team of researchers led by the Institute of Applied Physics at the University of Tsukuba has demonstrated a method for producing acid-resistant catalysts by covering them with layers of graphene. They show that using few layers allows for greater p.....»»
Safe graphene battery won’t unexpectedly burst into flames like lithium-ion
Graphene is one seriously exciting material. Its next trick could be powering the next generation of batteries......»»
Team turns pyrolyzed ash into graphene for improving concrete, other compounds
Pyrolyzed plastic ash is worthless, but perhaps not for long......»»
Metastable metallic nanoparticles could find use in electronics, optics
Rice University scientists have extended their technique to produce graphene in a flash to tailor the properties of other 2-D materials......»»