Semiconductors that are easy to understand: https://www.youtube.com/watch?v=15eB8b4EnXE
A base of knowledge
[Suguwaka Academia. ] (Distributed in December 2022 (Reiwa 4))

Lecture 64: Semiconductors that are easy to understand
Akinobu Teramoto Director/Professor
Shinichiro Kuroki Deputy Director/Professor
Koichi Kato, Deputy Director and Professor, Graduate School of Medical Sciences
(Hiroshima University Nano Device Research Institute)