ISRAEL 
HIGH-TECH & INVESTMENT REPORT

from the April 2016 issue


Israeli, American researchers create worlds smallest diode

US energy secretary Moniz hopes Leviathan gets back on track quickly╩

Prof. Bingqian Xu of the College of Engineering at the University of Georgia and Dr. Yoni Dubi from BGU's chemistry department headed the research groups in the two universities.

MOLECULED is a new technology that enables LCD displays to show more vivid, real-life colors than ever seen on displays before.

In a collaborative American- Israeli effort, researchers from Ben-Gurion University of the Negev and University of Georgia have created and characterized the world's smallest diode, which is only one molecule small.

Diodes are electronic elements that allow current to flow in one direction but prevent its flow in the other direction.

It is a central element in common and prolific electronic devices such as smartphones and computers - essentially any electronic appliance.

Prof. Bingqian Xu of the College of Engineering at the University of Georgia and Dr. Yoni Dubi from BGU's chemistry department headed the research groups in the two universities.

Researchers in Xu's group took a single DNA molecule constructed from 11 base pairs, and connected it to an electronic circuit (only a few nanometers large). When they measured the current through the molecule, the researchers found that the molecule did not present any unusual behavior. But when the DNA was combined with a molecule named coralyne, the behavior of the circuit changed drastically.

It became 15 times larger for negative voltages than for positive voltages, a necessary feature for a diode. The researchers deduced that they had created a diode composed of a single DNA molecule.



Reprinted from the Israel High-Tech & Investment Report April 2016

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