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.....»»
One-dimensional red phosphorous glows in unexpected ways
When electrons are confined into very small spaces, they can exhibit unusual electrical, optical and magnetic behavior. From confining electrons in two-dimensional atomic sheet graphene—a feat that won the Nobel Prize in physics in 2010—to restri.....»»
Invisible barrier breakthrough a boon for electronics, artwork and more
Curtin University researchers have found applying a thin invisible layer of graphene oxide to silicon forms an impermeable barrier, which could be used to protect artwork, prevent corrosion of metals, and produce higher efficiency solar cells......»»
Graphene binds drugs that kill bacteria on medical implants
Bacterial infections relating to medical implants place a huge burden on healthcare and cause great suffering to patients worldwide. Now, researchers at Chalmers University of Technology, Sweden, have developed a new method to prevent such infections.....»»
Using graphene foam to filter toxins from drinking water
Some kinds of water pollution, such as algal blooms and plastics that foul rivers, lakes, and marine environments, lie in plain sight. But other contaminants are not so readily apparent, which makes their impact potentially more dangerous. Among thes.....»»
Effective EMI shielding behavior of thin graphene/PMMA nanolaminates
Since its isolation in 2004 by Geim and Novoselov from the University of Manchester (Nobel Prize in Physics in 2010), graphene has been termed a 'wonder material' due to its exceptional properties, which have already been exploited in many applicatio.....»»
Mimicking brain functions with graphene-diamond junctions
The human brain holds the secret to our unique personalities. But did you know that it can also form the basis of highly efficient computing devices? Researchers from Nagoya University, Japan, recently showed how to do this, through graphene-diamond.....»»
Building a better model of Arctic ecosystems
Scientists at Oak Ridge National Laboratory added new plant data to a computer model that simulates Arctic ecosystems, enabling it to better predict how vegetation in rapidly warming northern environments may respond to climate change......»»
Anomalous quantum transport phenomena observed in fractal photonic lattices
Fractals are complex structures that usually exhibit self-similarity and have a non-integer dimension. The terminology "fractal" was first introduced by the famous mathematician Benoit B. Mandelbrot. He noticed that here and there, many natural objec.....»»
A new repulsion model for graphene catalysts
A new mathematical model helps predict the tiny changes in carbon-based materials that could yield interesting properties......»»
New mechanism of superconductivity discovered in graphene
Superconductivity is a physical phenomenon where the electrical resistance of a material drops to zero under a certain critical temperature. Bardeen-Cooper-Schrieffer (BCS) theory is a well-established explanation that describes superconductivity in.....»»
Developing lactose-free milk with graphene oxide based nano filtration membranes
Over the past years, graphene oxide membranes have been mainly studied for water desalination and dye separation. However, membranes have a wide range of applications, such as within the food industry. A research group led by Aaron Morelos-Gomez of S.....»»
A Graphene ‘Camera’ Images the Activity of Living Heart Cells
Using a novel device made from carbon atoms and a laser, researchers captured real-time electrical signals from muscle tissue......»»
Unlocking radiation-free quantum technology with graphene
"Heavy fermions" are an appealing theoretical way to produce quantum entangled phenomena, but until recently have been observed mostly in dangerously radioactive compounds. A new paper in Physical Review Letters has shown it is possible to make heavy.....»»
Scientists synthesize 3D graphene films with high-energy E-beam
Recently, Prof. Wang Zhenyang's research group from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) has prepared macroscopic thick three-dimensional (3D) porous graphene films......»»
Graphene for the protection of paintings: paving the way for novel methods in art preservation and restoration
The exposure of colors used in artworks to ultraviolet (UV) and visible light in the presence of oxidizing agents triggers color degradation, fading and yellowing. These degradation mechanisms can lead to irreversible alteration of artworks. Protect.....»»
Graphene additive manufacturing for flexible and printable electronics
Research led by Kansas State University's Suprem Das, assistant professor of industrial and manufacturing systems engineering, in collaboration with Christopher Sorensen, university distinguished professor of physics, shows potential ways to manufact.....»»
Stretching changes the electronic properties of graphene
The electronic properties of graphene can be specifically modified by stretching the material evenly, say researchers at the University of Basel. These results open the door to the development of new types of electronic components......»»
Quantum dots keep atoms spaced to boost catalysis
Hold on there, graphene. Seriously, your grip could help make better catalysts......»»
New model simulates the tsunamis caused by iceberg calving
A team of scientists has developed a new model for simulating both iceberg calving and the tsunamis that are triggered as a result. Their method can help improve hazard assessment in coastal areas and refine the empirical calving models used to evalu.....»»
Graphene drum: A new phonon laser design
Professor Konstantin Arutyunov of the HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE), together with Chinese researchers, has developed a graphene-based mechanical resonator, in which coherent emission of sound energy quanta,.....»»