Foreword Special Issue on the 2nd 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 $2^{nd}$ Latin American Electron Device Conference (LAEDC 2020). The $2^{nd}$ LAEDC was held in San Jose, Costa Rica from the $25^{th}$ to 28 February, 2020 and was sponsored by the IEEE Electron Devices Society.