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New flat transistor defies theoretical limit

A team of researchers with members from the University of California and Rice University has found a way to get a flat transistor to defy theoretical limitations on Field Effect Transistors (FETs). In their paper published in the journal Nature, the team describes their work and why they believe it could lead to consumer devices that have both smaller electronics and longer battery life. Katsuhiro Tomioka with Erasmus MC University Medical Center in the Netherlands offers a News & Views article discussing the work done by the team in the same journal edition. As Tomioka notes, the materials and type of architecture currently used in creating small consumer electronic devices is rapidly reaching a threshold upon which a tradeoff will have to be made—smaller transistors or more power requirements—this is because of the unique nature of FETs, shortening the channel they use requires more power, on a logarithmic scale. Thus, to continue making FETs ever smaller and to get them to use less power means two things, the first is that a different channel material must be found, one that allow high switch-on currents at low voltages. The second is a way must be found to lower the voltage required for the FETs.”

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