News tagged with silicon atoms
Multiple groups claim to create first atom-thick silicon sheets
(PhysOrg.com) -- Since its discovery in 2004, graphene -- sheets of carbon an atom thick -- has sparked a flurry of research into the nanomaterial's potential applications for blazing fast, tiny electronics. ...
Nanotechnology / Nanomaterials
Mar 30, 2012 |
4.9 / 5 (16) |
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Brittle silicon shows exceptional plasticity on the nanoscale
(PhysOrg.com) -- On the macroscale, silicon is a brittle material that cannot be easily molded into a desired shape. But scientists have found that a piece of silicon just 3 nm long can be stretched to more than 20 times ...
Nanotechnology / Nanomaterials
Aug 26, 2011 |
5 / 5 (4) |
2
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Study raises questions on what causes silicon solar cell degradation
(PhysOrg.com) -- After several hours of exposure to sunlight, silicon solar cells experience light-induced degradation, which can decrease their efficiency by up to 10%. In a new study, scientists have attempted ...
Jun 03, 2011 |
3.5 / 5 (4) |
1
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Atom Pinhole Camera Acts as a Shrinking Copy Machine
(PhysOrg.com) -- In 1983, Richard Feynman proposed the idea of a machine that could create smaller scale replicas of itself. Today, such a system is still a challenge, but a machine that can produce nanometer-sized ...
Jun 01, 2009 |
4.4 / 5 (20) |
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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 |
4.6 / 5 (10) |
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'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Nanotechnology / Nanomaterials
Apr 03, 2012 |
4.9 / 5 (8) |
3
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Single-atom transistor is 'perfect'
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
Feb 19, 2012 |
4.9 / 5 (44) |
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Microscopy reveals 'atomic antenna' behavior in graphene
Atomic-level defects in graphene could be a path forward to smaller and faster electronic devices, according to a study led by researchers at the Department of Energy's Oak Ridge National Laboratory.
Nanotechnology / Nanomaterials
Jan 31, 2012 |
5 / 5 (11) |
1
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A new class of electron interactions in quantum systems
Physicists at the University of New South Wales have observed a new kind of interaction that can arise between electrons in a single-atom silicon transistor.
Jan 23, 2012 |
4.7 / 5 (15) |
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Narrowest conducting wires in silicon ever made show the same current capability as copper
The narrowest conducting wires in silicon ever made – just four atoms wide and one atom tall – have been shown to have the same electrical current carrying capability of copper, according to a new ...
Jan 05, 2012 |
4.6 / 5 (13) |
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'Nanowiggles:' Scientists discover graphene nanomaterials with tunable functionality in electronics
Electronics are getting smaller and smaller, flirting with new devices at the atomic scale. However, many scientists predict that the shrinking of our technology is reaching an end. Without an alternative ...
Nanotechnology / Nanomaterials
Jan 04, 2012 |
5 / 5 (8) |
3
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Study compares fundamental techniques for doping graphene sheets
(PhysOrg.com) -- Nanotechnology researchers at the Georgia Institute of Technology have conducted the first direct comparison of two fundamental techniques that could be used for chemically doping sheets of ...
Nanotechnology / Nanomaterials
Nov 07, 2011 |
5 / 5 (2) |
0
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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 |
5 / 5 (3) |
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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) |
3
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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 |
4.4 / 5 (7) |
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