1.1. Overview of Semiconductor Physics

Try these first

1. 1.

   What is a semiconductor?

   Hint

   Think about materials used in electronics.

2. 2.

   Name a common semiconductor material.

   Hint

   Which material is used in solar cells?

3. 3.

   What materials are considered semiconductors?

   • Copper and Silver
   • Silicon and Germanium
   • Gold and Platinum

   Hint

   Remember which materials are widely used in electronics.

4. 4.

   True or False: Conductors have a very low energy band gap.

   • True
   • False

   Hint

   What do you recall about the properties of conductors?

5. 5.

   A piece of intrinsic silicon is heated. Discuss how its conductivity changes and explain why.

   Hint

   Consider the energy gap and what happens to electrons when energized.

6. 6.

   Explain the significance of doping semiconductors and how it affects their electrical properties.

   Hint

   What happens to electron flow when different impurities are introduced?