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New semiconductor research may extend integrated circuit battery life tenfold
Date:1/31/2013

currents substantially larger than any previously reported tunneling currents.

Esaki tunnel diodes, discovered in 1957 and the first quantum devices, were used to create a map showing output tunnel currents for a given set of material systems and parameters. For the first time, researchers have a single reference to which they can compare results from the micro- to the mega-ampere range, Rommel adds.

"This work may be used by others in designing higher performance tunneling field effect transistors which may enable future low power integrated circuits for your mobile device," he says.

The team's findings in the area of developing high performance, low-power electronic devices are also detailed in the paper, "Benchmarking and Improving III-V Esaki Diode Performance with a Record 2.2 MA cm2 Current Density to Enhance Tunneling Field-Effect Transistor Drive Current." The National Science Foundation, SEMATECH and RIT's Office of the Vice President of Research sponsor the work.

"SEMATECH, RIT and Texas State have made a significant breakthrough in the basic materials for the sub 10 nm node with this work," said Paul Kirsch, director of SEMATECH's Front End Processes. "The research that was presented at the International Electron Devices Meeting on III-V Esaki tunnel diode performance resolves fundamental questions on the viability of tunneling field effect transistors and provides a practical basis for low-voltage transistor technologies."


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Contact: Michelle Cometa
macuns@rit.edu
585-475-4954
Rochester Institute of Technology
Source:Eurekalert

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