Archive - May 21, 2023

Electrical

Bipolar Junction Transistors (BJT)

May 21, 2023

1 min read

Bipolar junction transistors generally comprise n-p-n or p-n-p junctions of either silicon (Si) or germanium (Ge) material. The junctions are, in fact, produced in a single slice of silicon by diffusing impurities through a...

Electrical

Conduction in Semiconductor Materials

May 21, 2023

by Santhakumar Raja

1 min read

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Arsenic, antimony and phosphorus have five valency electrons and when a semiconductor is doped with one of these substances, some impurity atoms are incorporated in the tetrahedral structure. The ‘fifth’ valency electron is...