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News tagged with graphene

Related topics: carbon atoms , electrons , electronic devices , atoms , transistors

Nonvolatile memory based on ferroelectric-graphene field-effect transistors is now a step closer to reality

A fundamental component of a field-effect transistor (FET) is the gate dielectric, which determines the number of charge carriers -- electrons or electron vacancies -- that can be injected into the active ...

Nanotechnology / Nanophysics

created Feb 24, 2011 | popularity 5 / 5 (1) | comments 1

Researcher investigates new material grown from sugar

(PhysOrg.com) -- Ordinary table sugar could be a key ingredient to developing much lighter, faster, cheaper, denser and more robust computer electronics for use on U.S. military aircraft.

Nanotechnology / Nanomaterials

created Feb 14, 2011 | popularity 5 / 5 (1) | comments 0

Physicists isolate bound states in graphene-superconductor junctions

(PhysOrg.com) -- Illinois researchers have documented the first observations of some unusual physics when two prominent electric materials are connected: superconductors and graphene.

Physics / Condensed Matter

created Feb 14, 2011 | popularity 5 / 5 (11) | comments 0 | with audio podcast

A paperweight for platinum: Bracing catalyst in material makes fuel cell component work better, last longer

A new combination of nanoparticles and graphene results in a more durable catalytic material for fuel cells, according to work published today online at the Journal of the American Chemical Society. The catalytic ...

Nanotechnology / Nanomaterials

created Feb 09, 2011 | popularity 4.8 / 5 (6) | comments 3 | with audio podcast

Long and narrow, free of defects, and soluble: graphene nanoribbons by bottom-up synthesis

(PhysOrg.com) -- Electronic components based on graphene could render our current silicon-based electronics obsolete. Graphene, a more recently discovered form of carbon, consists of two-dimensional sheets ...

Nanotechnology / Nanomaterials

created Feb 08, 2011 | popularity 3.8 / 5 (4) | comments 22 | with audio podcast

Creating a pure spin current in graphene

(PhysOrg.com) -- Graphene is a material that has the potential for a number of future applications. Scientists are interested in using graphene for quantum computing and also as a replacement for electronics. However, in ...

Nanotechnology / Nanophysics

created Feb 07, 2011 | popularity 5 / 5 (13) | comments 10 | with audio podcast feature

Atom-thick sheets unlock future technologies

(PhysOrg.com) -- A new way of splitting layered materials, similar to graphite, into sheets of material just one atom thick could lead to revolutionary new electronic and energy storage technologies.

Nanotechnology / Nanomaterials

created Feb 03, 2011 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Tuning graphene film so it sheds water

Windshields that shed water so effectively that they don't need wipers. Ship hulls so slippery that they glide through the water more efficiently than ordinary hulls.

Nanotechnology / Nanomaterials

created Feb 01, 2011 | popularity 4.9 / 5 (9) | comments 21 | with audio podcast

New transistors: An alternative to silicon and better than graphene

Smaller and more energy-efficient electronic chips could be made using molybdenite. In an article appearing online January 30 in the journal Nature Nanotechnology, EPFL's Laboratory of Nanoscale Electronics and St ...

Nanotechnology / Nanophysics

created Jan 30, 2011 | popularity 4.8 / 5 (45) | comments 16 | with audio podcast

Graphene and 'spintronics' combo looks promising

A team of physicists has taken a big step toward the development of useful graphene spintronic devices. The physicists, from the City University of Hong Kong and the University of Science and Technology of China, present ...

Nanotechnology / Nanophysics

created Jan 25, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Armchair nanoribbons made into spintronic device

In a development that may revolutionize handheld electronics, flat-panel displays, touch panels, electronic ink, and solar cells, as well as drastically reduce their manufacturing costs, physicists in Iran have created a ...

Nanotechnology / Nanophysics

created Jan 25, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast

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 ...

Physics / Condensed Matter

created Jan 19, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Shining light on graphene sensors

National Physical Laboratory, together with an international team of scientists, have published research showing how light can be used to control graphene's electrical properties. This advance is an important ...

Nanotechnology / Nanophysics

created Jan 10, 2011 | popularity 5 / 5 (3) | comments 2

Extending Moore's Law: Expitaxial graphene shows promise for replacing silicon in electronics

(PhysOrg.com) -- Move over silicon. There's a new electronic material in town, and it goes fast. That material, the focus of the 2010 Nobel Prize in physics, is graphene -- a fancy name for extremely thin ...

Nanotechnology / Nanomaterials

created Jan 07, 2011 | popularity 4.7 / 5 (15) | comments 10 | with audio podcast

Graphene grains make atom-thick patchwork 'quilts'

(PhysOrg.com) -- A quick look at new Cornell research hints at colorful patchwork quilts, but they are actually pictures of graphene -- one atom-thick sheets of carbon stitched together at tilted interfaces. ...

Nanotechnology / Nanomaterials

created Jan 05, 2011 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast