News tagged with atomic electrons
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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Graphene nanoribbons grow due to domino-like effect
(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...
Nanotechnology / Nanomaterials
Sep 15, 2011 |
4.6 / 5 (8) |
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Inside story: Chemical reactivity on the inner surface of single-walled carbon nanotubes
(PhysOrg.com) -- Historically, the interior surface of single-walled carbon nanotubes (SWNTs) has not been considered to be chemically reactive. Recently, however, researchers at the University of Nottingham School of Chemistry in the UK and the Ulm Un ...
Nanotechnology / Nanomaterials
Sep 15, 2011 |
4 / 5 (5) |
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Scientists view a quantum jump in real time
(PhysOrg.com) -- For more than two decades, scientists have been "watching" electrons in atoms make the jump between energy levels in real time. "Atoms have energy levels, and when electrons 'jump' from one level to another, ...
Apr 11, 2011 |
4.5 / 5 (29) |
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Damaging graphene to create a band gap
(PhysOrg.com) -- "Graphene offers a lot of interesting potential applications for nanoelectronics," Florian Banhart tells PhysOrg.com, "but there is no band gap. This is a well-known problem. Without the band gap, switch ...
Nov 22, 2010 |
3.2 / 5 (9) |
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Scientists investigate atomic-scale mechanisms of nanowire growth process
(PhysOrg.com) -- Nanowires can be grown in many ways, but one of the lesser-understood growth processes is vapor-liquid-solid (VLS) growth. In VLS, a vapor adsorbs onto a liquid droplet, and the droplet transports ...
Nov 01, 2010 |
4 / 5 (7) |
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For the first time, researchers observe graphene sheets becoming buckyballs (w/ Video)
(PhysOrg.com) -- Peering through a transmission electron microscope (TEM), researchers from Germany, Spain, and the UK have observed graphene sheets transforming into spherical fullerenes, better known as ...
Nanotechnology / Nanomaterials
Jun 11, 2010 |
4.5 / 5 (30) |
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Nanostructure of 5,000-year-old mummy skin reveals insight into mummification process
(PhysOrg.com) -- Using cutting-edge microscopy techniques, researchers have gained insight into how human mummies can be extremely well-preserved for thousands of years. A team of scientists from Germany and ...
Nanotechnology / Bio & Medicine
Apr 20, 2010 |
4.6 / 5 (16) |
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How Perfect Can Graphene Be?
(PhysOrg.com) -- Physicists have investigated the purest graphene to date, and have found that the material possesses unprecedented high electronic quality. The discovery has raised the bar for this relatively ...
Nanotechnology / Nanomaterials
Oct 13, 2009 |
4.5 / 5 (31) |
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Atomtronic transistor and diode could advance quantum computing
(PhysOrg.com) -- What if atoms could be used to perform the functions currently the province of electronic devices? The goal of atomtronics is to do just that by creating analogues to the common items found in electronic ...
Oct 09, 2009 |
4.6 / 5 (25) |
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New Research Promises Better Atomic Clocks
(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
Apr 22, 2009 |
4.7 / 5 (9) |
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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 (9) |
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In nanorod crystal growth, nanoparticles seen as artificial atoms
In the growth of crystals, do nanoparticles act as "artificial atoms" forming molecular-type building blocks that can assemble into complex structures? This is the contention of a major but controversial theory ...
May 24, 2012 |
4.8 / 5 (6) |
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In metallic glasses, researchers find a few new atomic structures
Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...
May 11, 2012 |
3.4 / 5 (7) |
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Physicists show standard 'quasiparticle' theory breaks down at 'quantum critical point'
A new study this week finds that "quantum critical points" in exotic electronic materials can act much like polarizing "hot button issues" in an election. Reporting in Nature, researchers from Rice Univer ...
Apr 25, 2012 |
4.7 / 5 (3) |
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