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.....»»
Edgy light on graphene may bring new one-way information routers
Graphene has been the focus of intense research in both academic and industrial settings due to its unique electrical conduction properties. As the thinnest material known to man, graphene is essentially two-dimensional and has distinct electronic an.....»»
Facet controllable synthesis of two-dimensional rare earth oxides
Since graphene was awarded the Nobel Prize in 2010, two-dimensional (2D) materials have continued to attract researchers' attention in logic, storage, optoelectronic and photonic 2D device manufacturing fields because of the atomic thickness and exce.....»»
Unmasking the magic of superconductivity in twisted graphene
The discovery in 2018 of superconductivity in two single-atom-thick layers of graphene stacked at a precise angle of 1.1 degrees (called 'magic'-angle twisted bilayer graphene) came as a big surprise to the scientific community. Since the discovery,.....»»
A path-setting method to enable vast applications for a graphene
Super strong and only one atom thick, graphene holds promise as a nanomaterial for everything from microelectronics to clean energy storage. But lack of one property has limited its use. Now, researchers at Princeton University and the U.S. Departmen.....»»
Graphene"s magic act relies on a small twist
Carbon is not the shiniest element, nor the most reactive, nor the rarest. But it is one of the most versatile......»»
Researchers observe translation symmetry breaking in twisted bilayer graphene
Magic-angle twisted bilayer graphene is a material made of two sheets of graphene placed on top of each other, with one sheet twisted at precisely 1.05 degrees with respect to the other. This material has been found to be a very promising platform fo.....»»
Nanoscale lattices flow from 3D printer
Weaving intricate, microscopic patterns of crystal or glass is now possible thanks to engineers at Rice University......»»
A highly simplified way to predict quantum light-matter interactions
When light interacts with matter, for example, when a laser beam hits a two-dimensional material like graphene, it can substantially change the behavior of the material. Depending on the form of interaction between light and matter, some chemical rea.....»»
Turn your dorm room into a cozy den with this electric fireplace deal
If you've been looking for something that simulates the feeling of a fireplace without the trouble, you're in luck. This electric fireplace is on sale!.....»»
Model simulates global water supply
Hydropower, biomass power generation, wind power, hydrogen, photovoltaics—these terms quickly come to mind when talking about the energy mix of the future. An energy mix that is supposed to combat climate change by limiting CO2 emissions. However,.....»»
Novel quantum effect discovered in naturally occurring graphene
Usually, the electrical resistance of a material depends very much on its physical dimensions and fundamental properties. Under special circumstances, however, this resistance can adopt a fixed value that is independent of the basic material properti.....»»
Graphene: "Miracle material" singled out for COVID conspiracies
Graphene, a Nobel Prize-awarded material with promising applications for greener energy and nanomedicine, has been the topic of much disinformation by coronavirus anti-vaxxers claiming it can be used to "magnetize" and "control" people......»»
Single-step green synthesis of composite material for wound healing
Researchers from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences developed a novel approach of green synthesis of silver nanoparticles and reduced graphene oxide composite material (AgNPs@rGO) based on plasma techn.....»»
Researchers propose one-step strategy to synthesize graphene-based composite phase change materials
Graphene-based composite phase change materials (PCMs) exhibit great potential in the field of solar-thermal energy conversion and storage......»»
A technique to create sub-10-nm graphene nanoribbons from squashed carbon nanotubes
Graphene nanoribbons (GNRs) are narrow and long strips of graphene with widths below 100 nm. GNRs that have smooth edges, a sizable bandgap and high charge carrier mobility could be highly valuable for a wide range of electronic and optoelectronic ap.....»»
Physicists demystify magic: bona fide topological Mott insulator discovered in twisted bilayer graphene model
Imagine stacking two sheets of graphene—the 2D form of graphite, or the pencil at your hand—in which the carbon atoms form a hexagonal lattice and twist the top sheet out of alignment with the sheet below, yielding a periodic arrangement of atoms.....»»
Lexar"s pro-level SSD offers reads up to 7400 MB/s, uses graphene heat spreader
Lexar recently released two new high speed PCIe 4.0 SSDs, promising to bring extreme performance at a competitive price. The Professional NM800 SSD lineup targets content creators and gamers, and is intended for installation on both desktops and lapt.....»»
Physicists make square droplets and liquid lattices
When two substances are brought together, they will eventually settle into a steady state called thermodynamic equilibrium; examples include oil floating on top of water and milk mixing uniformly into coffee. Researchers at Aalto University in Finlan.....»»
Hidden Particle Interactions Exposed by Peeling Layers of Graphene
Ions flowing through atom-thin stacks of carbon confirm classic theories but also yield new surprises -- Read more on ScientificAmerican.com.....»»
Phase changing in graphite by interface charge injection
Graphite, as an important material for Li battery anode and graphene preparation, can exist in two phases: the Bernal (2H) phase and the rhombohedral (3R) phase. The 2H phase has relatively low energy and high proportion in graphite powder, while the.....»»