SEMICONDUCTING MATERIALS| RRB JE/ SSC JE

Semiconducting materials are substances with electrical conductivity between that of conductors (like metals) and insulators (like ceramics or glass). Their unique property of variable conductivity makes them essential in modern electronics.
Key Features of Semiconducting Materials:
Intermediate Conductivity:
Their conductivity is lower than conductors but higher than insulators.
Conductivity can be controlled by external factors such as temperature, light, or impurities.
Band Gap:
The energy gap between the valence band (occupied by electrons) and the conduction band (where free electrons move).
Typical band gap: 0.1 to 2 eV.

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