Foreword Special Issue on the 4th Latin American Electron Device Conference

This Special Issue is devoted to research and development in the field of electron devices science and technology. We have selected a number of high-quality papers presented at the 4th Latin American Electron Device Conference (LAEDC 2022). The forth LAEDC edition took place in Puebla, Mexico, from July 4th to 6th, 2022 and was sponsored by the IEEE Electron Devices Society.