A tunnel diode or Esaki diode is a type of semiconductor diode that has effectively "negative resistance" due to the quantum mechanical effect called tunneling...
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A resonant-tunneling diode (RTD) is a diode with a resonant-tunneling structure in which electrons can tunnel through some resonant states at certain energy...
24 KB (2,889 words) - 12:59, 25 May 2024
oscillations (tunnel diodes, Gunn diodes, IMPATT diodes), and to produce light (light-emitting diodes). Tunnel, Gunn and IMPATT diodes exhibit negative...
63 KB (7,282 words) - 20:12, 14 August 2024
atomic nuclei. Tunneling applications include the tunnel diode, quantum computing, flash memory, and the scanning tunneling microscope. Tunneling limits the...
50 KB (6,400 words) - 20:35, 28 August 2024
Diode logic (or diode-resistor logic) constructs AND and OR logic gates with diodes and resistors. An active device (vacuum tubes in early computers,...
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Gary Pittman discovered near-infrared (900 nm) light emission from a tunnel diode they had constructed on a GaAs substrate. By October 1961, they had demonstrated...
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known as SQUIDs, as well as many other devices. In tunnel diodes, a diode allows the tunneling of electrons for certain voltages. This allows them to...
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Metal–insulator–metal (redirect from Metal-insulator-metal tunnel diode)
responsivity. When they are using tunneling transport, the MIM diode can be very fast. As soon as 1974, this diode was reportedly used as a mixer at 88 THz...
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Negative resistance (section Gunn diode oscillator)
these devices: tunnel diode, resonant tunneling diode and other semiconductor diodes using the tunneling mechanism Gunn diode and other diodes using the transferred...
171 KB (15,485 words) - 13:35, 17 August 2024
like a tunnel diode. The term refers to the shape of the V–I curve of the device, which resembles the Greek letter λ (lambda). Lambda diodes work at...
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An IMPATT diode (impact ionization avalanche transit-time diode) is a form of high-power semiconductor diode used in high-frequency microwave electronics...
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Electronic component (section Diodes)
DIAC (diode for alternating current), Trigger Diode, SIDAC) – often used to trigger an SCR Constant-current diode Step recovery diode Tunnel diode - very...
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electron quantum tunnelling in the short distance between p and n regions − this is known as the Zener effect, after Clarence Zener. Diodes with a higher...
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utilize the quantum tunneling effect, such as resonant tunneling diodes. Unlike classical diodes, its current is carried by resonant tunneling through two or...
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Electronic symbol (section Diodes)
the diode symbols. Diode (rectifier) Schottky diode Zener diode Transient-voltage-suppression diode (TVS) Light-emitting diode (LED) Photodiode Tunnel diode...
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In semiconductor devices, a backward diode (also called back diode) is a variation on a Zener diode or tunnel diode having a better conduction for small...
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Semiconductor device (section Diode)
Schottky diode Solar cell Transient-voltage-suppression diode Tunnel diode VCSEL Zener diode Zen diode Three-terminal devices: Bipolar transistor Darlington...
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spectrum), including gyrotrons, backward wave oscillators, and resonant-tunneling diodes.[citation needed] Due to the small energy of THz photons, current THz...
66 KB (6,878 words) - 23:32, 11 August 2024
Schottky diode (named after the German physicist Walter H. Schottky), also known as Schottky barrier diode or hot-carrier diode, is a semiconductor diode formed...
21 KB (2,474 words) - 14:12, 20 August 2024
real op-amps for comparison). The primary way of building logic gates uses diodes or transistors acting as electronic switches. Today, most logic gates are...
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Leo Esaki (section Esaki diode)
Josephson for his work in electron tunneling in semiconductor materials which finally led to his invention of the Esaki diode, which exploited that phenomenon...
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Crystal detector (redirect from Cat's whisker diode)
and it was forgotten. The negative resistance diode was rediscovered with the invention of the tunnel diode in 1957, for which Leo Esaki won the 1973 Nobel...
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OLED (redirect from Polymer light-emitting diode)
organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, is a type of light-emitting diode (LED) in which the emissive...
152 KB (17,135 words) - 21:39, 26 August 2024
resistance devices can be used to make amplifiers and oscillators. Tunnel diodes and Gunn diodes are examples of components that have negative resistance. Hysteresis...
10 KB (1,162 words) - 06:23, 17 April 2024
field-effect transistor (at least at lower frequencies), tunnel diodes, Gunn diodes, and IMPATT diodes. Low-power sources are available as benchtop instruments...
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Vacuum tube (redirect from Vacuum diode)
oscillator operated on the same principle of negative resistance as the tunnel diode oscillator many years later. The dynatron region of the screen grid tube...
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radioactivity. Negative resistances can be used as amplifiers, such as the tunnel diode amplifier. A power amplifier is an amplifier designed primarily to increase...
56 KB (7,058 words) - 18:53, 20 June 2024
stars, and applications such as scanning tunnelling microscopy, tunnel diode and tunnel field-effect transistor. When quantum systems interact, the result...
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transistor, comparator, relay, op amp, or a negative resistance device like a tunnel diode, that repetitively charges a capacitor or inductor through a resistance...
26 KB (3,019 words) - 00:29, 9 June 2024
to explain the behaviour of many electronic devices, for instance the tunnel diode. Electromagnetism is one of the fundamental forces of nature alongside...
33 KB (3,973 words) - 16:08, 14 April 2024