Question:
Doping materials are called impurities because they :
Doping materials are called impurities because they :
Updated On: Jun 10, 2023
- change the number of charge carriers
- change chemical properties
- alter the crystal structure
- make semiconductor less pure
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The Correct Option is C
Solution and Explanation
Impurities take the place of the atoms of the material in the crystal structure.
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Notes on Semiconductor electronics: materials, devices and simple circuits
Concepts Used:
Semiconductors
Semiconductors are a crystalline solid materials, whose electrical conductivity lies between a conductor and an insulator. Semiconductors are mainly used in the manufacturing of electronic devices like capacitors, transistors, diodes, Integrated circuits, etc.
Properties of Semiconductor:
- Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
- Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
- Lesser power losses.
Uses of Semiconductor:
- Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
- Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.