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National News

Phys.org

National / Phys.org

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New transistor brings high voltage to microchip scale

Inside every electronic device, the flow of electricity is controlled by a switch called a transistor. For decades, these switches were made from silicon. More recently, engineers have turned to a material called gallium nitride (GaN), which enables small, efficient devices like smartphone chargers.

28 Aug 2026 8:10 pm