News tagged with graphite
Researchers invent new method for graphene growth
Nanotechnology / Nanomaterials
Nov 10, 2009 |
4.9 / 5 (22) |
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.
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 ...
Graphite mimics iron's magnetism
Oct 04, 2009 |
4.6 / 5 (17) |
1
Researchers of Eindhoven University of Technology and the Radboud University Nijmegen in The Netherlands show for the first time why ordinary graphite is a permanent magnet at room temperature. The results ...
Self-validating thermocouples based on metal-carbon eutectic fixed points
Oct 02, 2009 |
not rated yet |
0
When used at high temperatures (above 1100 °C) thermocouples are prone to substantial calibration drift. To gauge the extent of the drift, for example, in an industrial setting, it is highly desirable for ...
Increasing Electric Car Battery Performance
Nanotechnology / Nanomaterials
Sep 23, 2009 |
4.5 / 5 (20) |
10
(PhysOrg.com) -- Researchers have found that by replacing conventional graphite electrodes with silicon nanotube electrodes, lithium-ion batteries can store 10 times more charge.
Making more efficient fuel cells
Sep 07, 2009 |
5 / 5 (1) |
1
Bacteria that generate significant amounts of electricity could be used in microbial fuel cells to provide power in remote environments or to convert waste to electricity. Professor Derek Lovley from the University of Massachusetts, ...
Carbon nanoballs as data storage units
Sep 01, 2009 |
4.8 / 5 (36) |
4
Small, smaller, "nano" data storage! Interest is growing in the use of metallofullerenes - carbon “cages” with embedded metallic compounds - as materials for miniature data storage devices. Researchers at ...
Camera flash turns an insulating material into a conductor
Aug 12, 2009 |
5 / 5 (6) |
0
An insulator can now be transformed to conduct electricity by an ordinary camera flash.
Researchers make carbon nanotubes without metal catalyst
Nanotechnology / Nanomaterials
Aug 10, 2009 |
4.5 / 5 (10) |
1
(PhysOrg.com) -- Carbon nanotubes — tiny, rolled-up tubes of graphite — promise to add speed to electronic circuits and strength to materials like carbon composites, used in airplanes and racecars. A major problem, however, ...
INL engineers tackle graphite challenge with innovative new device
Jun 01, 2009 |
5 / 5 (1) |
1
Employees at the U.S. Department of Energy's Idaho National Laboratory recently reached an important milestone in developing the nation's next generation of nuclear reactors by the completion of the first of six planned Advanced ...
Rice researchers unzip the future
Nanotechnology / Nanomaterials
Apr 15, 2009 |
5 / 5 (11) |
4
Scientists at Rice University have found a simple way to create basic elements for aircraft, flat-screen TVs, electronics and other products that incorporate sheets of tough, electrically conductive material.
Researchers Find Better Way To Manufacture Fast Computer Chips
Nanotechnology / Nanomaterials
Mar 31, 2009 |
4.2 / 5 (13) |
1
(PhysOrg.com) -- Engineers at Ohio State University are developing a technique for mass producing computer chips made from the same material found in pencils.
Water lilies inspire scientists to create large-scale graphene films
Jan 29, 2009 |
5 / 5 (2) |
0
In the world of nanomaterials, scientists and engineers can create new structures with tiny building blocks as small as one billionth of a meter.
New graphene-based material clarifies graphite oxide chemistry
Nanotechnology / Nanomaterials
Sep 25, 2008 |
4.1 / 5 (16) |
0
A new "graphene-based" material that helps solve the structure of graphite oxide and could lead to other potential discoveries of the one-atom thick substance called graphene, which has applications in nanoelectronics, ...
