(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 ...
Oct 13, 2009
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Researchers have shown that they can tune the strain in graphene suspended like drumheads over microscopic holes in a substrate of silicon oxide using the tip of an advanced scanning probe microscope and a ...
Jun 21, 2012
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(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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Since its discovery, graphene -- an unusual and versatile substance composed of a single-layer crystal lattice of carbon atoms—has caused much excitement in the scientific community. Now, Nongjian(NJ) Tao, ...
Jul 01, 2010
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(PhysOrg.com) -- Can graphene -- a newly discovered form of pure carbon that may one day replace the silicon in computers, televisions, mobile phones and other common electronic devices -- be made to bend, ...
Apr 21, 2010
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Virtually every material undergoes atomic-level ordering when cooled to temperatures approaching absolute zero. Liquid water, for example, is frozen into atomically ordered crystalline ice. However, condensed ...
May 02, 2013
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(Phys.org) —Scientists at the Naval Research Laboratory have developed a vapor sensor based on new monolayer materials that show great potential for future nanoscale electronic devices.
Apr 01, 2013
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(Phys.org)—A new material structure predicted at Rice University offers the tantalizing possibility of a signal path smaller than the nanowires for advanced electronics now under development at Rice and ...
Dec 14, 2012
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(Phys.org)—Since its discovery in 2004, graphene has been hailed as a "wonder material" due to its almost unbelievable properties. At just one atom thick, a single two-dimensional layer is stronger than ...
Oct 23, 2012
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(Phys.org)—Scientists at the Naval Research Laboratory have demonstrated that graphene, a single layer of carbon atoms in a honeycomb lattice, can serve as a low resistance spin-polarized tunnel barrier ...
Oct 22, 2012
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(PhysOrg.com) -- A team of researchers from Columbia Engineering, the Italian National Research Council, Princeton University, University of Missouri, and University of Nijmegen (Netherlands) has developed an artificial semiconductor ...
Jun 07, 2011
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Ever since graphene was discovered in 2004, this one-atom thick, super strong, carbon-based electrical conductor has been billed as a "wonder material" that some physicists think could one day replace silicon ...
Jul 31, 2009
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A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper about ...
Oct 31, 2012
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Electrons moving in graphene behave in an unusual way, as demonstrated by 2010 Nobel Prize laureates for physics Andre Geim and Konstantin Novoselov, who performed transport experiments on this one-carbon-atom-thick material. ...
Nov 07, 2011
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Graphene, which is composed of a one-atom-thick layer of carbon atoms in a honeycomb-like lattice (like atomic-scale chicken wire), is the world's thinnest material – and one of the hardest and strongest. Indeed, the ...
Nov 02, 2011
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