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Tiny compound semiconductor transistor could challenge silicon's dominance
Date:12/10/2012

and deposition we can get the gate nestled [between the electrodes] with tiny gaps around it," he says.

Although many of the techniques applied by the team are already used in silicon fabrication, they have only rarely been used to make compound semiconductor transistors. This is partly because in applications such as fiber-optic communication, space is less of an issue. "But when you are talking about integrating billions of tiny transistors onto a chip, then we need to completely reformulate the fabrication technology of compound semiconductor transistors to look much more like that of silicon transistors," del Alamo says.

The team presents its work this week at the International Electron Devices Meeting in San Francisco.

Their next step will be to work on further improving the electrical performance and hence the speed of the transistor by eliminating unwanted resistance within the device. Once they have achieved this, they will attempt to further shrink the device, with the ultimate aim of reducing the size of their transistor to below 10 nanometers in gate length.


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Contact: Caroline McCall
cmccall5@mit.edu
Massachusetts Institute of Technology
Source:Eurekalert

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