News tagged with silicon nitride
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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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 |
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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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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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Two chips in one: Researchers combine microprocessor materials
(PhysOrg.com) -- An MIT team led by Tomás Palacios, assistant professor in the Department of Electrical Engineering and Computer Science, has succeeded in combining two semiconductor materials, silicon ...
Sep 16, 2009 |
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Scientists Measure Differences Between Normal and Cancer Cell Surfaces
(PhysOrg.com) -- Scientists know that cancerous cells and normal cells have different physical features, but the details of these differences, and why they occur, are not well understood. In a recent edition ...
May 05, 2009 |
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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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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 |
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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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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 |
4.4 / 5 (8) |
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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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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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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 |
5 / 5 (3) |
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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 nanocrystalline diamond probes overcome wear
Researchers at the McCormick School of Engineering and Applied Science at Northwestern University have developed, characterized, and modeled a new kind of probe used in atomic force microscopy (AFM), which images, measures, ...
Nov 10, 2009 |
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