News tagged with graphene
Related topics: carbon atoms , electrons , electronic devices , atoms , transistors
Family of flower-like defects may help graphene structures respond to stress without ripping
Beyond its ability to conduct electrons almost without resistance, the nanomaterial graphene also has amazing mechanical properties, including high strength that could one day make it useful in lightweight, ...
Nanotechnology / Nanomaterials
Jun 03, 2011 |
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Method for creating single-crystal arrays of graphene developed
(PhysOrg.com) -- University of Houston researchers have developed a method for creating single-crystal arrays of the material graphene, an advance that opens the possibility of a replacement for silicon in high-performance ...
Nanotechnology / Nanomaterials
Jun 02, 2011 |
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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 |
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Graphene: New electronics material closer to commercial reality
(PhysOrg.com) -- Researchers have developed a method for creating single-crystal arrays of a material called graphene, an advance that opens up the possibility of a replacement for silicon in high-performance ...
Nanotechnology / Nanomaterials
May 26, 2011 |
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Defect in graphene may present bouquet of possibilities
(PhysOrg.com) -- A class of decorative, flower-like defects in the nanomaterial graphene could have potentially important effects on the material's already unique electrical and mechanical properties, according ...
May 25, 2011 |
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Seeing an atomic thickness
Scientists from NPL, in collaboration with Linkoping University, Sweden, have shown that regions of graphene of different thickness can be easily identified in ambient conditions using Electrostatic Force ...
May 19, 2011 |
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Miracle material: Graphene
(PhysOrg.com) -- In the 19th century novel, Flatland, by Edward A. Abbott, residents of that fictional country exist in only two dimensions. Women are born as line segments, while men come in a range of geometric ...
Nanotechnology / Nanomaterials
May 19, 2011 |
4.9 / 5 (9) |
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Exotic behavior when mechanical devices reach the nanoscale
Most mechanical resonators damp (slow down) in a well-understood linear manner, but ground-breaking work by Prof. Adrian Bachtold and his research group at the Catalan Institute of Nanotechnology has shown that resonators ...
May 15, 2011 |
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Hydrogen opens the road to graphene ... and graphane
(PhysOrg.com) -- An international research team has discovered a new method to produce belts of graphene called nanoribbons. By using hydrogen, they have managed to unzip single-walled carbon nanotubes. The ...
Nanotechnology / Nanomaterials
May 09, 2011 |
5 / 5 (7) |
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Electronic life on the edge: Scientists discover the edge states of graphene nanoribbons
(PhysOrg.com) -- As far back as the 1990s, long before anyone had actually isolated graphene – a honeycomb lattice of carbon just one atom thick – theorists were predicting extraordinary properties ...
May 08, 2011 |
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Graphene optical modulators could lead to ultrafast communications
(PhysOrg.com) -- Scientists at the University of California, Berkeley, have demonstrated a new technology for graphene that could break the current speed limits in digital communications.
May 08, 2011 |
4.8 / 5 (18) |
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Highly sensitive graphene biosensors based on surface plasmon resonance
Adding a few graphene layers onto the conventional gold-film SPR biosensor will boost up its sensitivity dramatically. The improved sensitivity comes from the graphene layer’s increased adsorption of ...
May 05, 2011 |
3.7 / 5 (3) |
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Two graphene layers may be better than one
(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology have shown that the electronic properties of two layers of graphene vary on the nanometer scale. The surprising new results ...
Apr 27, 2011 |
4.7 / 5 (6) |
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A breakthrough on paper that's stronger than steel
(PhysOrg.com) -- University of Technology, Sydney scientists have reported remarkable results in developing a composite material based on graphite that is a thin as paper and ten times stronger than steel.
Nanotechnology / Nanomaterials
Apr 20, 2011 |
4.9 / 5 (34) |
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Less is more: Researchers pinpoint graphene's varying conductivity levels
(PhysOrg.com) -- Did you know that pencil lead may just end up changing the world? Graphene is the material from which graphite, the core of your No. 2 pencil, is made. It is also the latest "wonder material," and may be ...
Nanotechnology / Nanomaterials
Apr 18, 2011 |
4.8 / 5 (5) |
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