News tagged with metallic particles
Physicists demonstrate quantum plasmons in atomic-scale nanoparticles
Addressing a half-century-old question, engineers at Stanford have conclusively determined how collective electron oscillations, called plasmons, behave in individual metal particles as small as just a few nanometers in diameter. ...
Mar 21, 2012 |
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Reducing ion exchange particles to nano-size shows big potential
Sometimes bigger isn't better. Researchers at the U.S. Department of Energy's Savannah River National Laboratory have successfully shown that they can replace useful little particles of monosodium titanate (MST) with even ...
Nanotechnology / Nanomaterials
Jan 30, 2012 |
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Scientists shed light on magnetic mystery of graphite
The physical property of magnetism has historically been associated with metals such as iron, nickel and cobalt; however, graphite – an organic mineral made up of stacks of individual carbon sheets – has baffled ...
Jan 26, 2012 |
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Particle-free silver ink prints small, high-performance electronics
University of Illinois materials scientists have developed a new reactive silver ink for printing high-performance electronics on ubiquitous, low-cost materials such as flexible plastic, paper or fabric substrates.
Nanotechnology / Nanomaterials
Jan 13, 2012 |
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Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer
Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
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Cobblestones fool innate immunity
Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...
Nanotechnology / Bio & Medicine
Nov 29, 2011 |
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Blocked holes can enhance rather than stop light going through
Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...
Nov 22, 2011 |
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Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation
(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
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Self-replication process holds promise for production of new materials
New York University scientists have developed artificial structures that can self-replicate, a process that has the potential to yield new types of materials. The work, conducted by researchers in NYU's Departments of Chemistry ...
Oct 12, 2011 |
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Research demonstrates method that allows inexpensive carbon materials to store hydrogen at room temperature
Hydrogen has long been considered a promising alternative to fossil fuels for powering cars, trucks and even homes. But one major obstacle has been finding lightweight, robust and inexpensive ways of storing the gas, whose ...
Sep 19, 2011 |
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Air-quality researchers tackle health implications of ultra-fine particles
(PhysOrg.com) -- Three studies by a University of California, Davis, air-quality research group are adding to the growing body of data suggesting that very fine and ultra-fine airborne metal particles are closely linked to ...
Sep 02, 2011 |
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Graphene's 'quantum leap' takes electronics a step closer
(PhysOrg.com) -- Writing in the journal Nature Physics, the academics, who discovered the world's thinnest material at The University of Manchester in 2004, have revealed more about its electronic properties.
Nanotechnology / Nanomaterials
Jul 24, 2011 |
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Researchers' quest for gold
For University of Wisconsin-Milwaukee researchers studying the toxicity of gold nanoparticles - a minuscule material with potentially big biomedical applications - the road to a new medical advance may or may not be paved ...
Nanotechnology / Bio & Medicine
Jul 22, 2011 |
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Metal particle generates new hope for H2 energy
(PhysOrg.com) -- Tiny metallic particles produced by University of Adelaide chemistry researchers are bringing new hope for the production of cheap, efficient and clean hydrogen energy.
Jun 28, 2011 |
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Finding answers century-old questions about platinum's catalytic properties
Researchers now understand more about why platinum is so efficient at producing power in hydrogen fuel cells.
Jun 06, 2011 |
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