News tagged with silicon nitride
Graphene on boron nitride work may lead to breakthrough in microchip technology
(Phys.org) -- Graphene is the wonder material that could solve the problem of making ever faster computers and smaller mobile devices when current silicon microchip technology hits an inevitable wall. Graphene, ...
May 28, 2012 |
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LEDs on silicon can reduce production costs
A new manufacturing technology is expected to greatly reduce the cost of light-emitting diodes (LEDs) in the future. For the first time ever, researchers at the Siemens subsidiary Osram Opto Semiconductors ...
May 21, 2012 |
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Group uses controlled cracking for nanofabrication
(Phys.org) -- When creating nanomaterials, cracking is generally considered a problem; it usually means something has gone wrong and the result, as with other material making processes such as glass or ceramics, ...
May 10, 2012 |
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Carbon nanotubes: The weird world of 'remote Joule heating'
(Phys.org) -- A team of University of Maryland scientists have discovered that when electric current is run through carbon nanotubes, objects nearby heat up while the nanotubes themselves stay cool, like a ...
Apr 10, 2012 |
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Physics group uses graphene to allow electron microscopy of liquid objects
(Phys.org) -- News of new uses for graphene continue to come in with remarkable regularity, and now a team of physicists, as they describe in their paper published in the journal Science, have figured out a ...
Apr 06, 2012 |
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Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors
Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...
Nanotechnology / Nanomaterials
Mar 29, 2012 |
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All set and ready to glow
A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.
Technology / Energy & Green Tech
Feb 07, 2012 |
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CNST collaboration tunes viscous drag on superhydrophobic surfaces
(PhysOrg.com) -- By measuring the motion of a vibrating, porous membrane separating water and air, researchers from the NIST Center for Nanoscale Science and Technology, the NIST Physical Measurement Laboratory, the University ...
Dec 01, 2011 |
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Nanotubes key to microscopic mechanics
In the latest issue of Elsevier's Materials Today, researchers from Spain and Belgium reported on the innovative use of carbon nanotubes to create mechanical components for use in a new generation of micro-machines. While ...
Nanotechnology / Nanomaterials
Oct 25, 2011 |
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'Microring' device could aid in future optical technologies
(PhysOrg.com) -- Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light ...
Oct 19, 2011 |
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Faster, smaller and more economical gallium nitride transistors
For the first time, researchers from CNRS France and ETH Zurich have succeeded in producing high-performance high-electron-mobility transistors (HEMTs) made of gallium nitride (GaN) on a silicon(110) wafer. ...
Sep 21, 2011 |
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New invisibility cloak hides objects from human view
For the first time, scientists have devised an invisibility cloak material that hides objects from detection using light that is visible to humans. The new device is a leap forward in cloaking materials, according to a report ...
Jul 27, 2011 |
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Boron nitride is a promising path to practical graphene devices
(PhysOrg.com) -- Graphene is a two-dimensional honeycomb of carbon, just one atom thick, whose intriguing electronic properties include very high electron mobility and very low resistivity. Graphene is so ...
Nanotechnology / Nanomaterials
May 30, 2011 |
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UV-transparent coating for image sensors
Image sensors as used in cell phones are partially color-blind. This is because of their coating, which prevents UV light from passing through. CMOS chips have as a result not been suitable for spectroscopy ...
Feb 08, 2011 |
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Panasonic develops gallium nitride (GaN) power transistor on silicon with blocking-voltage-boosting structure
Panasonic today announced the development of a new technique to drastically increase the blocking voltage of Gallium Nitride (GaN) -based power switching transistor on silicon (Si) substrates. The blocking ...
Dec 08, 2010 |
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