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.

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…

En exploitant les propriétés du nitrure de gallium, des scientifiques de l’EPFL ont mis au point un minuscule transistor pouvant supporter des tensions très élevées avec des…