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News articles about "Atoms"

First observation of spin Hall effect in a quantum gas is step toward 'atomtronics'

Hall Effect, Gas
Researchers at the National Institute of Standards and Technology NIST have reported* the first observation of the spin Hall effect in a Bose Einstein condensate BEC a cloud of ultracold atoms acting as a single ... - Read More

Increased NMR/MRI sensitivity through hyperpolarization of nuclei in diamond

Nuclei, Diamond, MRI
Today's nuclear magnetic resonance NMR and Magnetic Resonance Imaging MRI technologies like quantum information processing and nuclear spintronic technologies are based on an intrinsic quantum property of electrons and atomic nuclei called spin Electrons and ... - Read More

Giant planets offer help in faster research on material surfaces

Planets
New fast and accurate algorithm from the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw based on the mathematical formalism used to model processes accompanying interaction of light with gas planet ... - Read More

Metal-free catalyst outperforms platinum in fuel cell

Researchers from South Korea Case Western Reserve University and University of North Texas have discovered an inexpensive and easily produced catalyst that performs better than platinum in oxygen reduction reactions The finding detailed in Nature's ... - Read More

Cool electron acceleration: Electron pulses from laser accelerator

Electron, Electron, Electron
Physicists from the Max Planck Institute of Quantum Optics produced electron pulses from a laser accelerator whose individual particles all have nearly the same tuneable energy Electrons with a velocity close to the speed of ... - Read More

Cool electron acceleration

Electron, Electron, Electron
Physicists from the Max Planck Institute of Quantum Optics produced electron pulses from a laser accelerator whose individual particles all have nearly the same tuneable energy Electrons with a velocity close to the speed of ... - Read More

Even with defects, graphene is strongest material in the world

Material, Material
In a new study published in Science Columbia Engineering researchers demonstrate that graphene even if stitched together from many small crystalline grains is almost as strong as graphene in its perfect crystalline form This work ... - Read More

Atom by atom, bond by bond, a chemical reaction caught in the act

Atom, Atom, Atom
When Felix Fischer of the U S Department of Energy's Lawrence Berkeley National Laboratory Berkeley Lab set out to develop nanostructures made of graphene using a new controlled approach to chemical reactions the first result ... - Read More

Scientists capture first images of molecules before and after reaction

molecules
Every chemist's dream to snap an atomic scale picture of a chemical before and after it reacts has now come true thanks to a new technique developed by chemists and physicists at the University of ... - Read More

Klein tunneling: Coupled particles cross energy wall

Energy, Energy, Energy, energy, energy
Model demonstrates that it is possible for two particles to cross an energy barrier together where a single particle could not For the first time a new kind of so called Klein tunnelling representing the ... - Read More

A quantum simulator for magnetic materials

Physicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces But there are more exotic forms of magnetism whose properties remain unclear despite decades of intense research An important step towards filling ... - Read More

Stitching defects into world’s thinnest semiconductor

Semiconductor, Semiconductor, Semiconductor
In pioneering new research at Columbia University scientists have grown high quality crystals of molybdenum disulfide MoS2 the world's thinnest semiconductor and studied how these crystals stitch together at the atomic scale to form continuous ... - Read More

New technique may open up an era of atomic-scale semiconductor devices

Atomic
Researchers at North Carolina State University have developed a new technique for creating high quality semiconductor thin films at the atomic scale meaning the films are only one atom thick The technique can be used ... - Read More

Fastest measurements ever made of ion channel proteins

Proteins, Proteins, proteins
The miniaturization of electronics continues to create unprecedented capabilities in computer and communications applications enabling handheld wireless devices with tremendous computing performance operating on battery power This same miniaturization of electronic systems is also creating ... - Read More

Kinks and curves at the nanoscale: New research shows 'perfect twin boundaries' are not so perfect

Nanoscale, Nanoscale, nanoscale
One of the basic principles of nanotechnology is that when you make things extremely small one nanometer is about five atoms wide 100 000 times smaller than the diameter of a human hair they are ... - Read More

Advance in nanotech gene sequencing technique

Nanotech
The allure of personalized medicine has made new more efficient ways of sequencing genes a top research priority One promising technique involves reading DNA bases using changes in electrical current as they are threaded through ... - Read More

Add boron for better batteries

Lithium
Frustration led to revelation when Rice University scientists determined how graphene might be made useful for high capacity batteries Calculations by the Rice lab of theoretical physicist Boris Yakobson found a graphene boron anode should ... - Read More

Carbon in a twirl: The science behind a self-assembled nano-carbon helix

Carbon, carbon
Nanotechnology draws on the fabrication of nanostructures Scientists have now succeeded in growing a unique carbon structure at the nanoscale that resembles a tiny twirled moustache Their method might lead the way to the formation ... - Read More

Observation of second sound in a quantum gas

Sound, Gas
Second sound is a quantum mechanical phenomenon which has been observed only in superfluid helium Physicists from the University of Innsbruck Austria in collaboration with colleagues from the University of Trento Italy have now proven ... - Read More

New magnetic graphene may revolutionize electronics

Electronics, Electronics, Electronics, Electronics
Researchers from IMDEA Nanociencia Institute and from Autonoma and Complutense Universities of Madrid Spain have managed to give graphene magnetic properties The breakthrough published in the journal 'Nature Physics' opens the door to the development ... - Read More
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