What is Pair production?

Explanation

### Step-by-Step Solution:

1. **Definition of Pair Production**:
Pair production is a phenomenon that occurs when energy is converted into matter, specifically producing a particle and its corresponding antiparticle.

2. **Context in Semiconductors**:
In the context of semiconductors, pair production refers to the creation of an electron and a hole when a covalent bond is broken.

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