* Electronics
* Bandgap voltage reference
* Condensed matter physics
* Direct and indirect bandgaps
* Electrical conduction
* Electron hole
* Field-effect transistor
* Light-emitting diode
* Photodiode
* Photoresistor
* Photovoltaics
* Solar cell
* Solid state physics
* Semiconductor
* Semiconductor devices
* Strongly correlated material
* Valence band