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How Perfect Can Graphene Be?
Nanotechnology / Nanomaterials
Oct 13, 2009 |
4.6 / 5 (30) |
5
(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 ...
Infrared Nanotube Films Offer Advantages for Solar Cells and More
Mar 11, 2009 |
4.5 / 5 (11) |
0
(PhysOrg.com) -- Researchers have already known that carbon nanotube thin films have mechanical and conductive advantages that could make them useful as electrodes in solar cells, solid state lighting, and ...
Carbon-Nanotube Memory that Really Competes
Jan 26, 2009 |
4.2 / 5 (21) |
4
(PhysOrg.com) -- Researchers in Finland have created a form of carbon-nanotube based information storage that is comparable in speed to a type of memory commonly used in memory cards and USB "jump" drives.
Could Graphene Replace Semiconductors?
Sep 08, 2008 |
4.6 / 5 (42) |
3
(PhysOrg.com) -- “People want a faster computer chip,” Philip Kim tells PhysOrg.com. “And it needs to be smaller. But in order to increase the speed of the chip, or to get it smaller, we are approaching a point where you ne ...
Developing better nano-electronics by understanding nonadiabatic effects
Jun 17, 2008 |
4.3 / 5 (25) |
2
“Basically,” Michele Lazzeri tells PhysOrg.com, “the Born-Oppenheimer adiabatic approximation tells us how atoms are vibrating.” This adiabatic effect is used to describe phonons, which are modes of vibration that have b ...
A Smarter Way to Grow Graphene
May 14, 2008 |
4.4 / 5 (64) |
0
Graphene, a sheet of carbon just one atom thick, has many potential uses in the electronics industry, but producing these ideal two-dimensional carbon sheets is very difficult and, as a result, their use has ...
Graphene Takes the Heat
Feb 20, 2008 |
4.7 / 5 (111) |
2
Carbon nanotubes are being touted by many scientists and engineers as the material of the future, with the potential to revolutionize electronic technologies. But a new study shows that nanotubes may not be ...
Graphene quantum dot may solve some quantum computing problems
Jan 15, 2008 |
4.6 / 5 (39) |
1
Around the world, many scientists are working on various models of a quantum computer. One of the proposed models is a quantum computer that makes use of electron spins. And while quantum dots in gallium arsenide have been ...
New possibilities for boron nanotubes
Sep 27, 2007 |
4.2 / 5 (40) |
0
Even though some scientists have managed to grow boron nanotubes, the nature of their structure is unknown. Different theories have been proposed regarding boron nanotube make-up, but they often result in structures that ...
New graphene transistor promises life after death of silicon chip (Update)
Nanotechnology / Nanomaterials
Feb 28, 2007 |
4.5 / 5 (117) |
0
Researchers have used the world's thinnest material to create the world's smallest transistor – a breakthrough that could spark the development of a new type of super-fast computer chip.
Nature’s frugal glues provide insight for optimized adhesives
Nanotechnology / Nanomaterials
Jan 11, 2007 |
4.2 / 5 (41) |
0
In trying to create a “glue” that would hold right up to the breaking point of the material being glued, scientists have found that such an ideal adhesive already exists—in bone, abalone shells, and spider ...
Researcher Uses Graphene Quilts to Keep Things Cool
Nanotechnology / Nanomaterials
Dec 21, 2009 |
4.8 / 5 (17) |
1
(PhysOrg.com) -- University of California, Riverside Professor of Electrical Engineering and Chair of Materials Science and Engineering Alexander Balandin is leading several projects to explore ways to use ...
Water droplets shape graphene nanostructures
Dec 17, 2009 |
4.6 / 5 (7) |
0
A single-atom-thick sheet of carbon, like those seen in pencil marks -- offers great potential for new types of nanoscale devices, if a good way can be found to mold the material into desired shapes.
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
1
(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Researchers invent new method for graphene growth
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (23) |
0
(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.
