News tagged with atoms
Related topics: electrons , molecules , physical review letters , graphene , particles
Shear stiffness and friction mechanics of single-layer graphene measured for the first time
Researchers from the University of Bristol have measured and identified for the first time the stress and strain shear modulus and internal friction of graphene sheets. Graphene is a material that has many ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
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Nanotechnology may lead to more energy-efficient electronics
Carbon nanotubes and graphene consist of just a couple of layers of carbon atoms, but they are lighter than aluminium, stronger than steel and can bend like spring-coils. Physicist Niklas Lindahl at the University ...
Nanotechnology / Nanomaterials
Feb 14, 2012 |
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ORNL microscopy explores nanowires' weakest link
Individual atoms can make or break electronic properties in one of the world's smallest known conductors—quantum nanowires. Microscopic analysis at the Department of Energy's Oak Ridge National Laboratory ...
Feb 13, 2012 |
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Alien matter in the solar system: A galactic mismatch
This just in: The Solar System is different from the space just outside it.
Space & Earth / Space Exploration
Feb 13, 2012 |
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What lies beneath: Mapping hidden nanostructures
The ability to diagnose and predict the properties of materials is vital, particularly in the expanding field of nanotechnology. Electron and atom-probe microscopy can categorize atoms in thin sheets of material, ...
Feb 10, 2012 |
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Transparent iron? For the first time, an experiment shows that atomic nuclei can become transparent
At the high-brilliance synchrotron light source PETRA III, a team of DESY scientists headed by Dr. Ralf Röhlsberger has succeeded in making atomic nuclei transparent with the help of X-ray light. At the ...
Feb 08, 2012 |
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Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012 |
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A quantum connection between light and motion
(PhysOrg.com) -- Physicists have demonstrated a system in which light is used to control the motion of an object that is large enough to be seen with the naked eye at the level where quantum mechanics governs ...
Feb 06, 2012 |
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Economizing chemistry, atom by atom
In chemistry, downsizing can have positive attributes. Reducing the number of steps and reagents in synthetic reactions, for example, enables chemists to boost their productivity while reducing their environmental ...
Feb 03, 2012 |
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Size matters -- even for molecules
(PhysOrg.com) -- Two electrons that are emitted from a large molecule by a single photon may originate from far apart within that molecule. In a recent study on hydrocarbon molecules consisting of one to five ...
Feb 03, 2012 |
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Precision time: A matter of atoms, clocks, and statistics
Time is of the essence, especially in communications, navigation, and electric power distribution, which all demand nanosecond precision or better. Keeping these beating hearts of technology in near-perfect global synchronization ...
Feb 01, 2012 |
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Nanoparticles used to increase thermal properties of transformer oil
Rice University scientists have created a nano-infused oil that could greatly enhance the ability of devices as large as electrical transformers and as small as microelectronic components to shed excess heat.
Nanotechnology / Nanomaterials
Feb 01, 2012 |
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Physicists create first 'frequency comb' to probe ultraviolet wavelengths
Physicists at JILA have created the first "frequency comb" in the extreme ultraviolet band of the spectrum, high-energy light less than 100 nanometers (nm) in wavelength. Laser-generated frequency combs are the most accurate ...
Feb 01, 2012 |
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New zeolite material may solve diesel shortage
World fuel consumption is shifting more and more to diesel at the expense of gasoline. A recently published article in Nature Chemistry by a research team at Stockholm University and the Polytechnic University of Valencia in Spa ...
Feb 01, 2012 |
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A pocket of star formation
(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet ...
Feb 01, 2012 |
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