In 1938, German scientist Walter Schottky developed a diode having a metal to semiconductor junction.
A Schottky diode, like other solid-state diodes, conducts electrical current in one direction.
It can operate at higher speeds than typical silicon diodes.
Advantages
Small pockets of electric charge build up in a typical silicon diode, slowing down its ability to turn current off.
A Schottky diode can operate hundreds of times faster since it avoids build up of electric charges.
It also has less than half the voltage drop conducting in the forward direction than a silicon diode.
Applications
Engineers use Schottky diodes in very high-frequency circuits, such as microwave transmitters.
Schottky diodes also see use in switching power supplies and solar battery charging systems.
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