Which type of semiconductor is formed by doping silicon with phosphorus? (2020)

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Question: Which type of semiconductor is formed by doping silicon with phosphorus? (2020)

Options:

Correct Answer: n-type

Exam Year: 2020

Solution:

Doping silicon with phosphorus creates an n-type semiconductor due to the addition of extra electrons.

Which type of semiconductor is formed by doping silicon with phosphorus? (2020)

Which type of semiconductor is formed by doping silicon with phosphorus? (2020)

Step 1: Understand what doping means. Doping is the process of adding impurities to a semiconductor to change its electrical properties.
Step 2: Know what silicon is. Silicon is a common semiconductor material used in electronics.
Step 3: Identify the dopant. In this case, the dopant is phosphorus, which is a type of element.
Step 4: Learn about n-type semiconductors. N-type semiconductors are created when extra electrons are added to the silicon.
Step 5: Understand how phosphorus affects silicon. When phosphorus is added to silicon, it donates extra electrons to the silicon structure.
Step 6: Conclude that the result of doping silicon with phosphorus is an n-type semiconductor because it has more electrons than pure silicon.

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