Graphene Current Events

Graphene Current Events, Graphene News Articles.
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Staying ahead of the curve with 3D curved graphene
A team of researchers has amplified 3D graphene's electrical properties by controlling its curvature. (2020-11-20)

Georgia Tech holds international symposium on epitaxial graphene
Scientists from across the globe will meet October 24-27 at the Third International Symposium on the Science and Technology of Epitaxial Graphene. The event in St. Augustine, Florida is hosted by the Materials Research Science and Engineering Center at the Georgia Institute of Technology. (2011-10-21)

Researcher finds faster, cheaper way to cool electronic devices
A North Carolina State University researcher has developed a more efficient, less expensive way of cooling electronic devices - particularly devices that generate a lot of heat, such as lasers and power devices. (2012-04-09)

On the edge of graphene
Researchers at the National Physical Laboratory have discovered that the conductivity at the edges of graphene devices is different to that of the central material. (2014-08-15)

Graphene becomes superconductive -- Electrons with 'no mass' flow with 'no resistance'
The collaborative team of Tohoku University and the University of Tokyo has developed a method to grow high-quality graphene on a silicon carbide (SiC) crystal by controlling the number of graphene sheets. (2016-02-16)

Analysis of causality principle for the conductivity of graphene
Graphene's unusual qualities led to speculation that the causality principle may not be observed for it. The authors, Vladimir Mostepanenko and Galina Klimchitskaya, proved that the principle is preserved for graphene. Through the direct analytic calculation it was shown that the real and imaginary parts of graphene conductivity, found recently on the basis of first principles of thermal quantum field theory using the polarization tensor in (2+1)-dimensional space-time, satisfy the Kramers-Kronig relations precisely. (2018-05-15)

Adding hydrogen to graphene
IBS researchers report a fundamental study of how graphene is hydrogenated. (2016-11-03)

Graphene's 'Big Mac' creates next generation of chips
Scientists at the University of Manchester have come one step closer to creating the next generation of computer chips using wonder material graphene. (2011-10-09)

On the way to breaking the terahertz barrier for graphene nanoelectronics
A team of scientists at the MPI-P discovered a much simpler thermodynamic approach to the electrical conduction in graphene. (2015-07-16)

High-speed and on-silicon-chip graphene blackbody emitters
High-speed light emitters integrated on silicon chips can enable novel architectures for silicon-based optoelectronics. However, compound-semiconductor-based light emitters face major challenges for their integration with a silicon-based platform because of their difficulty of direct fabrication on a silicon substrate. Here, high-speed, highly-integrated graphene-based on-silicon-chip blackbody emitters in the near-infrared (NIR) region including telecommunication wavelength were developed. (2018-04-03)

Graphene's piezoelectric promise
Engineers predict that graphene can be coaxed into acting piezoelectric, merely by punching triangular holes into the material. (2012-01-05)

Writing graphene circuitry with ion 'pens'
Researchers coax graphene to grow in previously defined patterns, offering a promising new tool in the quest to develop graphene-based electronic devices. (2012-03-27)

Graphene electrons share the heat
A team of researchers from the Max Planck Institute for Polymer Research in collaboration with Klaas-Jan Tielrooij from ICFO, has discovered that electrical conduction in graphene on the picosecond timescale is governed by the same basic laws that describe the thermal properties of gases. (2015-07-16)

Graphene: It is all about the toppings
The way graphene interacts with other materials depends on how these materials are brought into contact with the graphene. The appropriate atoms are brought into contact with the graphene in such a way that they 'grow' on the graphene in the desired crystal structure. Until now the mechanisms of the 'growth' of such other materials on graphene have often remained unclear. A new study shows now how indium oxide grows on graphene. (2020-07-08)

Understanding interface properties of graphene paves way for new applications
Researchers from North Carolina State University and the University of Texas have revealed more about graphene's mechanical properties and demonstrated a technique to improve the stretchability of graphene -- developments that should help engineers and designers come up with new technologies that make use of the material. (2013-08-05)

Graphene reveals its magnetic personality
Can organic matter behave like a fridge magnet? Scientists from the University of Manchester have now shown that it can. (2012-01-08)

Decoupled graphene thanks to potassium bromide
The use of potassium bromide in the production of graphene on a copper surface can lead to better results. When potassium bromide molecules arrange themselves between graphene and copper, it results in electronic decoupling. This alters the electrical properties of the graphene produced, bringing them closer to pure graphene, as reported by physicists from the universities of Basel, Modena and Munich in the journal ACS Nano. (2019-04-29)

Shaping atomically thin materials in suspended structures
Researchers at Tohoku University have realized wafer-scale and high yield synthesis of suspended graphene nanoribbons. (2016-06-13)

Graphene's multi-colored butterflies
Combining black and white graphene can change the electronic properties of the one-atom thick materials, University of Manchester researchers have found. (2014-06-01)

The photoexcited graphene puzzle solved
A boost for graphene-based light detectors. (2018-05-11)

Three layers of graphene reveals a new kind of magnet
Scientists at TIFR discover the magnetism of electrons in three layers of graphene. This study reveals a new kind of magnet and provides insight on how electronic devices using graphene could be made for fundamental studies as well as various applications. (2017-02-23)

New chemical method could revolutionize graphene
University of Illinois at Chicago scientists have discovered a new chemical method that enables graphene to be incorporated into a wide range of applications while maintaining its ultra-fast electronics. (2017-06-14)

Graphene paves the way to faster high-speed optical communications
Graphene Flagship researchers created a technology that could lead to new devices for faster, more reliable ultra-broad bandwidth transfers. For the first time, researchers demonstrated how electrical fields boost the non-linear optical effects of graphene. The research, published in Nature Nanotechnology, was carried out by a team of Graphene Flagship partners led by the Cambridge Graphene Centre at the University of Cambridge in collaboration with Politecnico di Milano and IIT- Istituto Italiano di Tecnologia in Genova, both in Italy. (2018-05-21)

Light-speed nanotech: Controlling the nature of graphene
Rensselaer Polytechnic Institute researchers have discovered a new method for controlling the nature of graphene, bringing chip manufacturers one step closer to realizing the mass production of graphene-based nanoelectronics. The chemistry of the surface on which graphene is deposited plays a key role in shaping the material's conductive properties: results show that when deposited on a surface treated with oxygen, graphene exhibits semiconductor properties. When deposited on material treated with hydrogen, graphene exhibits metallic properties. (2009-01-21)

New 'brick' for nanotechnology: Graphene Nanomesh
Researchers at Japan advanced institute of science and technology (JAIST) successfully fabricated suspended graphene nanomesh (GNM) by using the focused helium ion beam technology. The 2D array of 6nm diameter nanopores were patterned on a large-area suspended graphene uniformly. By systematically controlling the pitch from 15 nm to 50 nm, a series of stable GNM devices were achieved. This technology provides a new approach to explore nanoscale thermal engineering, advanced sensing, and quantum technology. (2020-04-20)

'GO dough' makes graphene easy to shape and mold
A Northwestern University team has turned graphene oxide into a soft, moldable and kneadable play dough that can be shaped and reshaped into free-standing, three-dimensional structures. (2019-01-25)

Routes towards defect-free graphene
A new way of growing graphene without the defects that weaken it and prevent electrons from flowing freely within it could open the way to large-scale manufacturing of graphene-based devices with applications in fields such as electronics, energy, and healthcare. (2013-02-01)

New study reveals communications potential of graphene
Providing secure wireless connections and improving the efficiency of communication devices could be another application for graphene, as demonstrated by scientists at Queen Mary University of London and the Cambridge Graphene Centre. (2014-02-19)

University of Houston professor taking next step with graphene research
A University of Houston researcher is working on a way to mass produce graphene, a revolutionary material. (2010-10-19)

New graphene research centre to open at the University of Surrey
The University of Surrey is to establish a graphene centre within its Advanced Technology Institute, expanding and consolidating the University's graphene research and manufacturing capabilities. (2014-06-19)

Graphene nanoscrolls are formed by decoration of magnetic nanoparticles
Researchers at UmeƄ University in Sweden, together with researchers at Uppsala University and Stockholm University, show in a new study how nitrogen doped graphene can be rolled into perfect Archimedean nano scrolls by adhering magnetic iron oxide nanoparticles on the surface of the graphene sheets. The new material may have very good properties for application as electrodes in for example Li-ion batteries. (2013-08-15)

Graphene-Adsorbate van der Waals bonding memory inspires 'smart' graphene sensors
Electric field modulation of the graphene-adsorbate interaction induces unique van der Waals (vdW) bonding which were previously assumed to be randomized by thermal energy after the electric field is turned off. We show that the vdW bonding lasts for hours after turning-off the electric field, exhibiting a charge-transfer and carrier scattering memory useful for 'beyond sensing' applications in molecular identification, memory devices and conformational switches. (2020-07-16)

Pioneering research boosts graphene revolution
Pioneering new research by the University of Exeter could pave the way for miniaturized optical circuits and increased internet speeds, by helping accelerate the 'graphene revolution.' (2015-11-16)

Shear stiffness and friction mechanics of single-layer graphene measured for the first time
Researchers from the University of Bristol have measured and identified for the first time the stress and strain shear modulus and internal friction of graphene sheets. (2012-02-14)

24-carat gold 'snowflakes' improve graphene's electrical properties
In an effort to make graphene more useful in electronics applications, Kansas State University engineers made a golden discovery -- gold (2009-10-13)

Improving heat removal qualities of graphene
Three Bourns College of Engineering professors at the University of California, Riverside, have received a three-year, $360,000 grant from the National Science Foundation to further study the thermal properties of graphene, which is expected to lead to new approaches for the removal of heat from advanced electronic and optoelectronic devices. (2013-07-31)

High quality 3-D nanoporous graphene
Three-dimensional (3-D) nanoporous graphene with preserved 2-D Dirac electronic characters was successfully synthesized by Dr. Yoshikazu Ito and Prof. Mingwei CHEN at Advanced Institute for Materials Research, Tohoku University. The nanoporous graphene is constructed by a single layer graphene sheet that is continuously inter-connected to form a complex 3-D network structure. This free-standing nanoporous graphene with an excellent crystallinity possesses high mobility, holding great promise for the applications in electronic devices. (2014-05-02)

Graphene from soybeans
A breakthrough by CSIRO-led scientists has made the world's strongest material more commercially viable, thanks to the humble soybean. (2017-02-14)

Stacking on the graphene
Tohoku University researchers have fabricated two types of trilayer graphene with different electrical properties. (2018-02-09)

Cutting the graphene cake
Researchers at the University of Manchester have demonstrated that graphene can be used as a building block to create new 3D crystal structures which are not confined by what nature can produce. (2012-07-29)

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