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Meantime, it is still a problem for IBM to [url=http://www.skoda-witzke.de/woolrichoutlet.php]woolrich online shop[/url] get the graphene due to the high cost of the silicon carbide wafers according to Dr. Avouris’s comment.
Graphene is an allotrope of carbon, whose structure is one-atom-thick planar sheets of sp2-bonded carbon atoms that are densely packed in a honeycomb crystal lattice, therefore it is considered as the future silicon.

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In 1970s, Scientists began making flakes of graphene, the atomic-scale lattice of carbon atoms.

According to Newest study on Graphene material , IBM, the computer technology giant said on last Thursday that they have designed high-speed circuits from such material. Moreover, a report from the journal Science tells us that IBM’s G [url=http://www.thehygienerevolution.com/hollister.php]hollister france[/url] circuit [url=http://www.diecastlinks.co.uk]hollister outlet[/url] is known as a broadband frequency mixer that was built on a wafer of silicon. Such circuits are widely used in all kinds of communications products by shifting signals from one one frequency to [url=http://www.fayatindia.com/giuseppe-zanotti.html]giuseppe zanotti pas cher[/url] another.
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As an ultra-thin material, Graphene has a host of promising applications, from high-bandwidth communication to a new generation of low-cost smartphone and television displays.

In the past I.B.M. has created stand-alone graphene transistors, but not complete electronic circuits. However, this time the I.B.M. researchers describe a demonstration in which they deposited [url=http://www.mquin.com/pjsdoudoune.php]parajumpers pas cher[/url] several layers [url=http://www.mxitcms.com/abercrombie/]abercrombie[/url] of graphene on a silicon wafer, then [url=http://www.mxitcms.com/abercrombie/]abercrombie milano[/url] created circuits based on graphene transistors and components known as inductors. They demonstrated frequency mixing up to speeds of 10 gigahertz.

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Phaedon Avouris, IBM’s leader chemical physicist said while I.B.M. was now able to build circuits from the material, it was still learning reliable ways [url=http://www.anepf.fr]doudoune moncler pas cher[/url] to make large quantities of graphene film. It is now possible to heat a silicon carbide wafer to about 1,300 degrees Celsius (nearly 2,400 Fahrenheit), causing [url=http://www.ttcarpets.co.uk]mulberry sale[/url] the silicon atoms on the surface to evaporate and the remaining carbon atoms to rearrange themselves into the hexagonal graphene shape.
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