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.....»»
Novel approach to fabricating artificial graphene nanoribbons with embedded pentagon carbon
Graphene nanoribbons (GNRs) have attracted much attention due to their unique electronic structures with high tunability of physical structures......»»
Ultrafast and tunable conversion of high-frequency signals into visible light
A study carried out by a research team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), the Catalan Institute of Nanoscience and Nanotechnology (ICN2), University of Exeter Centre for Graphene Science, and TU Eindhoven demonstrates that graphene.....»»
KISS method for 2D material preparation: Unlocking new possibilities for materials science
It has almost been 20 years since the establishment of the field of two-dimensional (2D) materials with the discovery of unique properties of graphene, a single, atomically thin layer of graphite. The significance of graphene and its one-of-a-kind pr.....»»
Producing large, clean 2D materials made easy: Just "KISS"
Ever since the discovery of the two-dimensional form of graphite (called graphene) almost twenty years ago, interest in 2D materials and their special physical properties has skyrocketed. Famously, graphene was produced by exfoliating bulk graphite u.....»»
Stellantis invests in lithium-sulfur EV battery startup Lyten
Stellantis is backing Lyten, a Silicon Valley startup that employs 3-D graphene, a "supermaterial," to create smaller, more dense lithium-sulfur EV batteries......»»
Engineering graphene-based quantum circuits with atomic precision
Imagine having a building made of stacks of bricks connected by adaptable bridges. You pull a knob that modifies the bridges and the building changes functionality. Wouldn't it be great?.....»»
A particular "sandwich" of graphene and boron nitride may lead to next-gen microelectronics
Moiré patterns occur everywhere. They are created by layering two similar but not identical geometric designs. A common example is the pattern that sometimes emerges when viewing a chain-link fence through a second chain-link fence......»»
Intelligent membranes with memories for next-generation smart filters
Researchers from the National Graphene Institute (NGI) have created "intelligent" membranes whose "memory" can be used in areas like smart separation technology, wound management, drug delivery, sensors and memory devices......»»
Migrating ions through the perovskite layer in two dimensions
Electrostatic doping has been widely used in low-dimensional materials, including carbon nanotube (CNT) and two-dimensional (2D) materials such as graphene and transition metal dichalcogenides (TMDs). Unlike conventional lattice doping with impurity.....»»
Fiber optics shed light on solid-state physics phenomena
Researchers from two laboratories at ULB have realized a synthetic dimension for light using a fiber optic ring. This ingenious system simulates the periodic motion of a particle in a crystal in order to study its behavior in the presence of interact.....»»
Giant magnetoresistance of Dirac plasma in high-mobility graphene
In a paper published in Nature this week (April 13, 2023), researchers from The University of Manchester report record-high magnetoresistance that appears in graphene under ambient conditions......»»
Researchers synthesize graphene using intense light
DGIST Professor Yoonkyu Lee's research team used intense light on the surface of a copper wire to synthesize graphene, thereby increasing the production rate and lowering the production cost of the high-quality transparent-flexible electrode material.....»»
How to improve water permeability and rejection performance of RGO membranes? RGO-MXene membranes give answer
Membrane separation technology has become one of the most effective methods for water treatment, owing to its advantages of high separation efficiency, convenient operation and low-energy consumption. The membranes prepared from graphene oxide (GO) h.....»»
New method gets better performance out of atomically thin transistors
A new way of making wafer-scale electronics out of atomically thin sheets. Enlarge / The much-larger-than-2D form of molybdenum disulfide. (credit: RHJ / Getty Images) Atomically thin materials like graphene are single m.....»»
New machine-learning approach identifies one molecule in a billion selectively, with graphene sensors
Graphene's 2D nature, single molecule sensitivity, low noise, and high carrier concentration have generated a lot of interest in its application in gas sensors. However, due to its inherent non-selectivity, and huge p-doping in atmospheric air, its a.....»»
Oxygen groups key to unlocking graphene"s antimicrobial potential, say scientists
The amount of surface oxygen in graphene materials is a key factor in how effective they could be in killing bacteria—a discovery which may help to design safer and more effective products to combat antimicrobial resistance......»»
Reaching superconductivity layer by layer
Imagine a sheet of material just one layer of atoms thick—less than a millionth of a millimeter. While this may sound fantastical, such a material exists: it is called graphene and it is made from carbon atoms in a honeycomb arrangement. First synt.....»»
Incineration of graphene-containing plastics: Health risk of graphene residues investigated in 3D lung model
Due to its exceptional properties, graphene is now added to a wide range of plastics. The carbon-based material improves, for instance, the conductivity and stability of composites......»»
Smooth sailing for electrons in graphene: Measuring fluid-like flow at nanometer resolution
Physicists at the University of Wisconsin-Madison have directly measured the fluid-like flow of electrons in graphene at nanometer resolution for the first time. The results appear in the journal Science today......»»
Scientists develop graphene aerogel particles for efficient water purification
Writing in the Journal of Molecular Liquids, a team led by Professor Aravind Vijayaraghavan based in the National Graphene Institute (NGI) have produced three-dimensional particles made of graphene, of many interesting shapes, using a variation of th.....»»