Question
Asked Feb 13, 2020
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What are the popular methods of forming p-n junction?

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Expert Answer

Step 1

There are two types of conductors that is p-type (pentavalent element) and n-type (trivalent element). To make a diode, the p-type and n-type junction are kept closer to each other and attach them.

Step 2

There are several types of formation of p-n junction which are as follows,

1. Crystal pulling process:

The impurities of p and n types are added alternatively in a molten state with molten semiconductor material in the crucible, and this becomes diode when crystals are pulled.

Step 3

2. Alloy type:

This type of arrangement is conducted by adding p-type impurities with n- type impurity and melting them combined in...

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