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News articles about "Electron"

Efficient and inexpensive: Researchers develop catalyst material for fuel cells

Catalyst, Fuel, Fuel cells
Efficient robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology Scientists from Jülich and Berlin have developed a material for converting hydrogen and oxygen to water using a ... - Read More

New quantum dot technique combines best of optical and electron microscopy

Microscopy
It's not reruns of The Jetsons but researchers working at the National Institute of Standards and Technology NIST have developed a new microscopy technique that uses a process similar to how an old tube television ... - Read More

Exposure to air transforms gold alloys into catalytic nanostructures

Alloys, Nanostructures
Gold bars may signify great wealth but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter Unfortunately unlocking gold's potential often requires complex synthesis techniques that ... - Read More

The diabetes 'breathalyzer'

Glucose, Glucose
Diabetes patients often receive their diagnosis after a series of glucose related blood tests in hospital settings and then have to monitor their condition daily through expensive invasive methods But what if diabetes could be ... - Read More

World's first large(wafer)-scale production of III-V semiconductor nanowire

Semiconductor, Semiconductor, Semiconductor
Researchers from Ulsan National Institute of Science and Technology UNIST South Korea and University of Illinois U S A developed the large scale heteroepitaxial growth III V nanowires on a Si wafer The research team ... - Read More

2-D electronics take a step forward: Semiconducting films for atom-thick circuits

Films
Scientists at Rice University and Oak Ridge National Laboratory ORNL have advanced on the goal of two dimensional electronics with a method to control the growth of uniform atomic layers of molybdenum disulfide MDS MDS ... - Read More

'Long-awaited explanation' for mysterious effects in high-temperature superconductors

Temperature, temperature
A German French research team has constructed a new model that explains how the so called pseudogap state forms in high temperature superconductors The calculations predict two coexisting electron orders Below a certain temperature superconductors ... - 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

Scientists create novel silicon electrodes that improve lithium-ion batteries

Lithium, Lithium-ion, Lithium-ion batteries, Silicon
Stanford University scientists have dramatically improved the performance of lithium ion batteries by creating novel electrodes made of silicon and conducting polymer hydrogel a spongy material similar to that used in contact lenses and other ... - Read More

Metamaterials: Leading light waves astray

The development of structured synthetic materials with unusual electromagnetic properties so called metamaterials promises to provide access to special physical effects of great technological interest Metamaterials have already been fabricated that have a negative refractive ... - Read More

Organic chemistry: Leading light waves astray

The development of structured synthetic materials with unusual electromagnetic properties so called metamaterials promises to provide access to special physical effects of great technological interest Metamaterials have already been fabricated that have a negative refractive ... - Read More

Dense hydrogen in a new light

Hydrogen is the most abundant element in the universe The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen rich planets New work from ... - 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

Cosmic rays: Galactic knee and extragalactic ankle

Cosmic rays
It is obvious from the data of the KASCADE Grande experiment at the Karlsruhe Institute of Technology KIT that the so called knee of the cosmic rays a bend in the energy spectrum at high ... - 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

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

Brittle material toughened: Tungsten-fiber-reinforced tungsten

Material, Material
Tungsten is particularly suitable as material for highly stressed parts of the vessel enclosing a hot fusion plasma it being the metal with the highest melting point A disadvantage however is its brittleness which under ... - Read More

Formula for turning cement into 'metal'

Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass, Glass
In a move that would make the Alchemists of King Arthur's time green with envy scientists have unraveled the formula for turning liquid cement into liquid metal This makes cement a semi conductor and opens ... - Read More
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