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One of the longstanding challenges in cutting edge microelectronics has been the creation of a transistor built around a single molecule. The picture above shows a scanning electron microscope image of one of the first working molecular transistors, along with an inset depicting a schematic of the molecule linked across the transistor’s gold electrodes.
Reporters may freely use this image. Credit format: Image courtesy of Hyunwook Song and Takhee Lee (2011).