News tagged with silicon nitride
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 |
4.6 / 5 (8) |
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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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Physicists use graphene to decode DNA
Genome sequencing will have a profound effect on our understanding of genetic biology and could usher in a day when doctor and patient are able to review individual genome sequences to fully personalise medical ...
Dec 01, 2010 |
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Scientists develop method for detecting microRNA from living cells
(PhysOrg.com) -- Researchers at the University of Pennsylvania have developed a new electronic method for detecting microRNA isolated from living cells. MicroRNAs are a class of small biomolecules that control ...
Nanotechnology / Bio & Medicine
Oct 26, 2010 |
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Nano 'pin art': NIST arrays are step toward mass production of nanowires
NIST researchers grow nanowires made of semiconductors -- gallium nitride alloys -- by depositing atoms layer-by-layer on a silicon crystal under high vacuum. NIST has the unusual capability to produce these ...
Nanotechnology / Nanomaterials
Jul 30, 2010 |
4.5 / 5 (4) |
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Fast Transistors Could Save Energy
(PhysOrg.com) -- Transistors, the cornerstone of electronics, are lossy and therefore consume energy. Swiss esearchers from the ETH Zurich and EPF Lausanne have developed transistors targeting high switching ...
Apr 20, 2010 |
4.4 / 5 (15) |
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Rapid, Inexpensive DNA Sequencing Moves Closer to Reality
As efforts such as The Cancer Genome Atlas and others generate vast quantities of information about the genetic makeup of different types of cancer, it is becoming increasingly clear that such information has great potential ...
Nanotechnology / Bio & Medicine
Feb 19, 2010 |
4.9 / 5 (9) |
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Adjusting acidity with impunity
(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...
Chemistry / Analytical Chemistry
Dec 22, 2009 |
4.5 / 5 (2) |
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