Intrinsic Semiconductors

An intrinsic semiconductor is a pure semiconductor material that has a balanced number of electrons and holes at absolute zero temperature.
Intrinsic semiconductors are important materials in semiconductor physics and device engineering, as they exhibit interesting electronic properties and are fundamental to the operation of many electronic devices.
Examples of intrinsic semiconductors include silicon, germanium, and diamond.

Intrinsic semiconductors are pure semiconducting materials that have a balanced number of electrons and holes at absolute zero temperature.
Examples of intrinsic semiconductors include silicon (Si), germanium (Ge), and diamond.

In a semiconductor, an electron in the valence band that has moved to the conduction band leaves behind a positively charged hole in the valence band.
This hole behaves like a positive charge carrier and can move through the crystal structure by accepting electrons from neighboring atoms.
The concept of a hole is important for understanding the electrical conductivity of semiconductors, as it allows us to describe both the movement of electrons and holes in the crystal structure.