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Semiconductor diode based upon the p–n junction
- A p–n diode is a type of semiconductor diode based upon the p–n junction. The diode conducts current in only one direction, and it is made by joining a p -type semiconducting layer to an n -type semiconducting layer.
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A p–n diode is a type of semiconductor diode based upon the p–n junction. The diode conducts current in only one direction, and it is made by joining a p -type semiconducting layer to an n -type semiconducting layer.
A PN Junction Diode is one of the simplest semiconductor devices around, and which has the electrical characteristic of passing current through itself in one direction only. However, unlike a resistor, a diode does not behave linearly with respect to the applied voltage.
May 15, 2024 · PN Junction Diode. Last Updated : 15 May, 2024. The electrical conductivity of a semiconductor material is between that of a conductor, such as metallic copper, and that of an insulator, such as glass. Its resistivity decreases as the temperature rises, whereas metals have the reverse effect.
A p–n junction diode allows charge carriers to flow in one direction, but not in the opposite direction; negative charge carriers (electrons) can easily flow through the junction from n to p but not from p to n, and the reverse is true for positive charge carriers (holes).
The most commonly used semiconductor diodes are the p-n junction diodes. p-n junction diodes are made by fusing p-type and n-type semiconductors. When both the semiconductors are fused a potential barrier voltage is created across the junction. Figure 3. PN Junction Diode. Image credit: https://toshiba.semicon-storage.com.
May 22, 2022 · At the interface, the free electrons have recombined with holes. When an electron recombines, it leaves behind a positive ion in the N material (shown here as a circled plus sign) and produces a negative ion in the P material (shown as a circled minus sign). Figure 2.2.1 2.2. 1: PN junction.
A PN-junction is formed when an N-type material is fused together with a P-type material creating a semiconductor diode. This tutorial about PN junction theory shows that when silicon is doped with small amounts of Antimony, an N-type semiconductor material is formed, and when the same silicon material is doped with small amounts of Boron, a P ...
