News tagged with silicon carbide
Inspired by steel, nanomanufacturing gets wear-resistant carbide tip
(PhysOrg.com) -- Scientists at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research - Zurich have fabricated an ultrasharp silicon carbide tip possessing such high strength ...
Feb 09, 2012 |
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The chemistry of exploding stars
(PhysOrg.com) -- Fundamental chemical processes in predecessors of our solar system are now a bit better understood: An international team led by Peter Hoppe, researcher at the Max Planck Institute for Chemistry ...
Jan 20, 2012 |
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Alternative LED lighting combats energy crisis
Alternative lighting is emerging as a potent method to combat the energy crisis. Light-emitting diode (LED) lighting technologies could provide an innovative way to save energy and make wasteful lighting obsolete.
Technology / Energy & Green Tech
Nov 17, 2011 |
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Physicists identify room temperature quantum bits in silicon carbide - widely used semiconductor
A discovery by physicists at UC Santa Barbara may earn silicon carbide -- a semiconductor commonly used by the electronics industry -- a role at the center of a new generation of information technologies designed to exploit ...
Nov 02, 2011 |
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Next-generation charging technology for environmentally friendly vehicles
Plug-in electric vehicles represent a new direction for environmentally friendly transportation. Unfortunately, plug-in electric cars are currently grid-tie power electronics that can require large quantities ...
Oct 28, 2011 |
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GAIA - A billion eyes on the skies
It’s name is GAIA and it’s the perhaps the most ambitious project which has ever faced the European Space Agency. Scheduled to launch in 2013, this new breed of space telescope will stately progress ...
Space & Earth / Space Exploration
Oct 21, 2011 |
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Controlling silicon evaporation allows scientists to boost graphene quality
Scientists from the Georgia Institute of Technology have for the first time provided details of their "confinement controlled sublimation" technique for growing high-quality layers of epitaxial graphene on ...
Nanotechnology / Nanomaterials
Sep 22, 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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Hydrogenation technique triples transistor performance in epitaxial graphene
(PhysOrg.com) -- A technique that uses hydrogen to improve transistor performance on real-world graphene devices has been demonstrated on the wafer-scale by researchers in Penn State’s Electro-Optics ...
Nanotechnology / Nanomaterials
Sep 05, 2011 |
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China to appeal WTO ruling over rare earth exports
China, under pressure to relax controls over rare earths, said Wednesday it would appeal against a World Trade Organisation ruling that it illegally restricted exports of other key raw materials.
Aug 24, 2011 |
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New spinout will develop next generation of semiconductors
A new company set up to revolutionise semiconductors is being launched today 1st July 2011 at the University of Warwick.
Jul 01, 2011 |
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Defect in graphene may present bouquet of possibilities
(PhysOrg.com) -- A class of decorative, flower-like defects in the nanomaterial graphene could have potentially important effects on the material's already unique electrical and mechanical properties, according ...
May 25, 2011 |
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Templated growth technique produces graphene nanoribbons with metallic properties
A new "templated growth" technique for fabricating nanoribbons of epitaxial graphene has produced structures just 15 to 40 nanometers wide that conduct current with almost no resistance. These structures ...
Nanotechnology / Nanomaterials
Mar 21, 2011 |
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Tried and true recipes
Nuclear reactor technology research dwindled away when nuclear power fell out of favor several decades ago. Renewed interest in fission-based energy means knowledge gained in past research is relevant again.
Technology / Energy & Green Tech
Mar 04, 2011 |
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Extending Moore's Law: Expitaxial graphene shows promise for replacing silicon in electronics
(PhysOrg.com) -- Move over silicon. There's a new electronic material in town, and it goes fast. That material, the focus of the 2010 Nobel Prize in physics, is graphene -- a fancy name for extremely thin ...
Nanotechnology / Nanomaterials
Jan 07, 2011 |
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Silicon carbide
Silicon carbide (SiC), also known as carborundum, is a compound of silicon and carbon with a chemical formula SiC. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics which are widely used in applications requiring high endurance, such as car brakes and ceramic plates in bulletproof vests. Electronic applications of silicon carbide as light emitting diode and detector in early radios have been demonstrated around 1907, and nowadays SiC is widely used in high-temperature semiconductor electronics. Large single crystals of silicon carbide can be grown by the Lely method; they can be cut into gems known as "synthetic moissanite". Silicon carbide with high surface area can be produced from SiO2 contained in plant material.
For more information about Silicon carbide, read the full article at
Wikipedia.
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