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Current Graphene News and Events, Graphene News Articles.
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Graphene-based memory resistors show promise for brain-based computing
As progress in traditional computing slows, new forms of computing are coming to the forefront. At Penn State, a team of engineers is attempting to pioneer a type of computing that mimics the efficiency of the brain's neural networks while exploiting the brain's analog nature. (2020-10-29)

Chemical scissors snip 2D transition metal dichalcogenides into nanoribbon
One of the biggest challenges in making hydrogen production clean and cheap has been finding an alternative catalyst necessary for the chemical reaction that produces the gas, one that is much cheaper and abundant than the very expensive and rare platinum that is currently used. Researchers in Korea have now found a way to 'snip' into tiny nanoribbons a cheap and plentiful substance that fits the bill, boosting its catalytic efficiency to at least that of platinum. (2020-10-29)

Rice finds path to nanodiamond from graphene
Rice University researchers expand their theory on converting graphene into 2D diamond, or diamane. (2020-10-29)

Flash graphene rocks strategy for plastic waste
Rice University scientists advance their technique to make graphene from waste with a focus on plastic. (2020-10-29)

Reliable quality-control of graphene and other 2D materials is routinely possible
Scientists at Ames Laboratory have discovered and confirmed a method which could serve as an easy but reliable way to test the quality of graphene and other 2D materials. (2020-10-28)

On-surface synthesis of graphene nanoribbons could advance quantum devices
An international multi-institution team of scientists has synthesized graphene nanoribbons -- ultrathin strips of carbon atoms -- on a titanium dioxide surface using an atomically precise method that removes a barrier for custom-designed carbon nanostructures required for quantum information sciences. (2020-10-26)

Creating perfect edges in 2D-materials
Ultrathin materials such as graphene promise a revolution in nanoscience and technology. Researchers at Chalmers University of Technology, Sweden, have now made an important advance within the field. In a recent paper in Nature Communications they present a method for controlling the edges of two-dimensional materials using a 'magic' chemical. (2020-10-19)

When Fock meets Landau: Topology in atom-photon interactions
Topological photonics concerns the classical wave simulation of electronic band topology. Does the quantum nature of light embed new topological states? By exploiting the similarity between the Jaynes-Cummings model and graphene, topological states of quantized light were found with a wealth of physics involving the valley Hall effect, the Haldane model and the Lifshitz topological transition. This research built a bridge between quantum electrodynamics and topological phases in condensed matter physics. (2020-10-14)

Stacking and twisting graphene unlocks a rare form of magnetism
A team of researchers at Columbia University and the University of Washington has discovered that a variety of exotic electronic states, including a rare form of magnetism, can arise in a three-layer graphene structure. (2020-10-12)

The perfect angle for e-skin energy storage
Researchers at DGIST have found an inexpensive way to fabricate tiny energy storage devices that can effectively power flexible and wearable skin sensors along with other electronic devices, paving the way towards remote medical monitoring & diagnoses and wearable devices. Their findings were published in the journal Nano Energy. (2020-10-12)

Graphene microbubbles make perfect lenses
Jia and fellow researchers from Swinburne University of Technology recently teamed up with researchers from National University of Singapore, Rutgers University, University of Melbourne, and Monash University, to develop a method to generate precisely controlled graphene microbubbles on a glass surface using laser pulses. (2020-10-09)

Graphene detector reveals THz light's polarization
Physicists have created a broadband detector of terahertz radiation based on graphene. The device has potential for applications in communication and next-generation information transmission systems, security and medical equipment. (2020-10-08)

Next-gen smartphones to keep their cool
Multilayered carbon material could be the perfect fit for heat management in electronic devices. (2020-10-07)

Experiments with twisted 2D materials catch electrons behaving collectively
A team led by the University of Washington reports that carefully constructed stacks of graphene -- a 2D form of carbon -- can exhibit highly correlated electron properties. The team also found evidence that this type of collective behavior likely relates to the emergence of exotic magnetic states. (2020-10-06)

All-2D light-emitting field-effect transistors
All-2D light-emitting field-effect transistors. (2020-10-04)

Physicists build circuit that generates clean, limitless power from graphene
Physicists at the University of Arkansas have successfully generated an electrical current from the atomic motion of graphene, discovering a new source of clean, limitless power. (2020-10-02)

Ultrasensitive microwave detector developed
A joint international research team from POSTECH of South Korea, Raytheon BBN Technologies, Harvard University, and Massachusetts Institute of Technology in the U.S., Barcelona Institute of Science and Technology in Spain, and the National Institute for Materials Science in Japan have together developed ultrasensitive sensors that can detect microwaves with the highest theoretically possible sensitivity. (2020-10-01)

Tunable free-electron X-ray radiation from van der Waals materials
The suggested apparatus produces controlled radiation with a narrow spectrum that can be tuned with high resolution, at a relatively low energy investment. The findings are likely to lead to breakthroughs in a variety of fields, including the analysis of chemicals and biological materials, medical imaging, X-ray equipment for security screening, and other uses of accurate X-ray sources (2020-10-01)

Sensor with 100,000 times higher sensitivity could bolster thermal imaging
Army-funded research developed a new microwave radiation sensor with 100,000 times higher sensitivity than currently available commercial sensors. Researchers said better detection of microwave radiation will enable improved thermal imaging, electronic warfare, radio communications and radar. (2020-10-01)

Caltech researcher unveils sensor that rapidly detects COVID-19 infection
Wei Gao has redesigned technology he previously used to detect other health conditions so that it can be used to diagnose a COVID infection. (2020-10-01)

New detector breakthrough pushes boundaries of quantum computing
A new paper published in Nature shows potential for graphene bolometers to become a game-changer for quantum technology (2020-09-30)

The most sensitive and fastest graphene microwave bolometer
Scientists from Harvard, ICFO, MIT, Raytheon BBN Technologies and NIMS construct the fastest and most sensitive graphene-based microwave bolometer achieved so far. (2020-09-30)

A self-erasing chip for security and anti-counterfeit tech
Self-erasing chips developed at the University of Michigan could help stop counterfeit electronics or provide alerts if sensitive shipments are tampered with. (2020-09-24)

Metal wires of carbon complete toolbox for carbon-based computers
Carbon-based computers have the potential to be a lot faster and much more energy efficient than silicon-based computers, but 2D graphene and carbon nanotubes have proved challenging to turn into the elements needed to construct transistor circuits. Graphene nanoribbons can overcome these limitations, but to date scientists have been made only semiconductors and insulators, not the metallic wires to connect them. UC Berkeley scientists have now achieved the goal of a metallic graphene nanoribbon. (2020-09-24)

A fresh sense of possibility
A multisensory graphene-based skin can sense in extreme environments where other sensors cannot be used. (2020-09-22)

What happens between the sheets?
Adding calcium to graphene creates an extremely-promising superconductor, but where does the calcium go? In a new study, a Monash-led team has for the first time confirmed what actually happens to those calcium atoms. Surprising everyone, the calcium goes underneath both the upper graphene sheet and a lower 'buffer' sheet, 'floating' the graphene on a bed of calcium atoms. (2020-09-17)

Energy harvesting goes organic, gets more flexible
The race is on to create natural biocompatible piezoelectric materials for energy harvesting, electronic sensing, and stimulating nerves. A group of researchers has explored peptide-based nanotubes and, in the Journal of Applied Physics, reports using a combination of ultraviolet and ozone exposure to generate a wettability difference and an applied field to create horizontally aligned polarization of nanotubes on flexible substrates with interlocking electrodes. The work will enable the use of organic materials more widely. (2020-09-15)

Physicists "trick" photons into behaving like electrons using a "synthetic" magnetic field
Scientists have discovered an elegant way of manipulating light using a ''synthetic'' Lorentz force -- which in nature is responsible for many fascinating phenomena including the Aurora Borealis. (2020-09-14)

Understanding electron transport in graphene nanoribbons
New research published in EPJ Plus aims to better understand the electron transport properties of graphene nanoribbons (GNRs) and how they are affected by bonding with aromatics - a key step in designing technology such as chemosensors. (2020-09-11)

CityU develops anti-bacterial graphene face masks
A research team from City University of Hong Kong (CityU) has successfully produced laser-induced graphene masks with an anti-bacterial efficiency of 80%, which can be enhanced to almost 100% within 10 minutes under sunlight. Initial tests also showed very promising results in the deactivation of two species of coronaviruses. The graphene masks are easily produced at low cost, and can help to resolve the problems of sourcing raw materials and disposing of non-biodegradable masks. (2020-09-10)

A tiny instrument to measure the faintest magnetic fields
Physicists at the University of Basel have developed a minuscule instrument able to detect extremely faint magnetic fields. At the heart of the superconducting quantum interference device are two atomically thin layers of graphene, which the researchers combined with boron nitride. Instruments like this one have applications in areas such as medicine, besides being used to research new materials. (2020-09-07)

Paving the way for tunable graphene plasmonic THz amplifiers
Tohoku University Professor Taiichi Otsuji has led a team of international researchers in successfully demonstrating a room-temperature coherent amplification of terahertz (THz) radiation in graphene, electrically driven by a dry cell battery. (2020-09-07)

Team's flexible micro LEDs may reshape future of wearable technology
University of Texas at Dallas researchers and their international colleagues have developed a method to create micro LEDs that can be folded, twisted, cut and stuck to different surfaces. (2020-08-31)

An improved wearable, stretchable gas sensor using nanocomposites
A stretchable, wearable gas sensor for environmental sensing has been developed and tested by researchers at Penn State, Northeastern University and five universities in China. (2020-08-27)

New device can measure toxic lead within minutes
Rutgers researchers have created a miniature device for measuring trace levels of toxic lead in sediments at the bottom of harbors, rivers and other waterways within minutes -- far faster than currently available laboratory-based tests, which take days. The affordable lab-on-a-chip device could also allow municipalities, water companies, universities, K-12 schools, daycares and homeowners to easily and swiftly test their water supplies. The research is published in the IEEE Sensors Journal. (2020-08-26)

New tech extracts potential to identify quality graphene cheaper and faster
Engineers at Australia's Monash University have developed world-first technology that can help industry identify and export high quality graphene cheaper, faster and more accurately than current methods. (2020-08-26)

Trapping and controlling light at the interface of atomically thin nanomaterials
In a recent study, scientists at Cornell University propose a novel method by which nanoscale light can be manipulated and transported. (2020-08-20)

Graphene sensors find subtleties in magnetic fields
Cornell researchers used an ultrathin graphene ''sandwich'' to create a tiny magnetic field sensor that can operate over a greater temperature range than previous sensors, while also detecting miniscule changes in magnetic fields that might otherwise get lost within a larger magnetic background. (2020-08-20)

A key to cheaper renewable fuels: keeping iron from rusting
Washington State University researchers have made a key first step in economically converting plant materials to fuels: keeping iron from rusting. (2020-08-19)

A new two-dimensional carbon allotrope -- semiconducting diamane film synthesized
We demonstrate the realization of a pristine diamane through diamondization of mechanically exfoliated few-layer graphene via compression. Compared to gapless graphene, semiconducting h-diamane offers exciting possibilities for carbon-based electronic devices. (2020-08-18)

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