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Photoemission-Based Microelectronics Are Semiconductor-Free

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A semiconductor-free, optically-controlled microelectronic device fabricated using metamaterials has shown a significant increase in conductivity when activated by low voltage and a low power laser. The discovery may facilitate the development of microscale electronic devices that are faster and capable of handling more power, and could also lead to more efficient solar panels. The designed semiconductor-free microelectronic device. Courtesy of UC San Diego Applied Electromagnetics Group. The device consists of an engineered metasurface on top of a silicon wafer, with a layer of...Read full article

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