Semiconductor Physics: The Science Behind Microchips

Semiconductors are materials whose conductivity sits between metals and insulators.
Silicon is the most common semiconductor, forming the backbone of microchips.
Doping adds tiny amounts of impurities to control conductivity.
P-type and N-type semiconductors create the building blocks of electronics.
Transistors, the core of microchips, rely on semiconductor switching.
Band gaps determine how easily electrons can move in a semiconductor.
Integrated circuits pack billions of transistors onto a tiny silicon wafer.
LEDs, solar cells, and sensors all rely on semiconductor physics.
Advances in nanofabrication shrink chip components to near-atomic scales.
Without semiconductors, modern computers, smartphones, and the internet wouldn’t exist.