News tagged with mobile electrons
Can graphene nanoribbons replace silicon?
(PhysOrg.com) -- "Graphene has been the subject of intense focus and research for a few years now," Philip Kim tells PhysOrg.com. "There are researchers that feel that it is possible that graphene could replac ...
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 ...
Graphene battery demonstrated to power an LED
(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...
Barrier to faster graphene devices identified and suppressed
These days graphene is the rock star of materials science, but it has an Achilles heel: It is exceptionally sensitive to its electrical environment.
Nanotechnology / Nanomaterials
Mar 13, 2012 |
4.7 / 5 (19) |
5
|
New path to flex and stretch electronics: Researchers develop solution-based fabrication technique
(PhysOrg.com) -- Imprinting electronic circuitry on backplanes that are both flexible and stretchable promises to revolutionize a number of industries and make "smart devices" nearly ubiquitous. Among the ...
Dec 13, 2011 |
5 / 5 (4) |
0
|
Making a light-harvesting antenna from scratch
(PhysOrg.com) -- Sometimes when people talk about solar energy, they tacitly assume that we're stuck with some version of the silicon solar cell and its technical and cost limitations. Not so.
Nov 29, 2011 |
4.8 / 5 (15) |
1
|
Graphene ink created for ink-jet printing of electronic components
(PhysOrg.com) -- A group of UK scientists has created a graphene ink that can be used to ink-jet print electronic devices such as thin film transistors.
At small scales, tug-of-war between electrons can lead to magnetism under surprising circumstances
(PhysOrg.com) -- At the smallest scales, magnetism may not work quite the way scientists expected, according to a recent paper in Physical Review Letters by Rafal Oszwaldowski and Igor Zutic of the Univer ...
Jun 29, 2011 |
5 / 5 (15) |
3
|
Scientists find simple way to produce graphene
(PhysOrg.com) -- Scientists at Northern Illinois University say they have discovered a simple method for producing high yields of graphene, a highly touted carbon nanostructure that some believe could replace ...
Nanotechnology / Nanomaterials
Jun 20, 2011 |
4.9 / 5 (21) |
14
|
New inorganic semiconductor layers hold promise for solar energy
(PhysOrg.com) -- A team of researchers from the University of Chicago and the U.S. Department of Energy's (DOE) Argonne National Laboratory has demonstrated a method that could produce cheaper semiconductor ...
Nanotechnology / Nanomaterials
Jun 02, 2011 |
4.8 / 5 (6) |
1
|
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
|
Real-world graphene devices may have a bumpy ride
(PhysOrg.com) -- Electronics researchers love graphene. A two-dimensional sheet of carbon one atom thick, graphene is like a superhighway for electrons, which rocket through the material with 100 times the mobility they have ...
Jan 19, 2011 |
5 / 5 (4) |
0
|
'Keyless keyboards' coming for mobile computing (w/ Video)
(PhysOrg.com) -- A new Israeli company, SnapKeys, has developed a keyless keyboard that promises to make mobile computing on tablets or devices such as Apple's iPad simpler. Instead of an on-screen keyboard ...
With support, graphene still a superior thermal conductor
The single-atom thick material graphene maintains its high thermal conductivity when supported by a substrate, a critical step to advancing the material from a laboratory phenomenon to a useful component in ...
Nanotechnology / Nanomaterials
Apr 08, 2010 |
4.3 / 5 (8) |
0
|
The Asus New Folding E-Book Reader
(PhysOrg.com) -- Asus has demonstrated a prototype of an e-book reader it is developing. Unlike its competitors, the device resembles a normal book, having two touch screens that will fold up.