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Home  Semiconductors Solid-State Device Theory Quantum Devices Tunnel Diode |
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Tunnel DiodeThe unqualified term tunnel diode refers to the Esaki tunnel diode, an early quantum device. A reverse biased diode forms a depletion region, an insulating region, between the conductive anode and cathode. This depletion region is only thin as compared to the electron wavelength when heavily doped-- 1000 times the doping of a rectifier diode. With proper biasing, quantum tunneling is possible.
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Last Update: 2010-11-19