Thermionic emission is the liberation of electrons from an electrode by virtue of its temperature .
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10 Facts About Thermionic emission
2.
Classical example of thermionic emission is that of electrons from a hot cathode into a vacuum in a vacuum tube.
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3.
Thermionic emission found that this did not happen if the sphere had a positive charge.
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4.
Thermionic emission connected a galvanometer, a device used to measure current, to the output of the extra metal electrode.
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5.
Thermionic emission found that sufficient current would pass through the device to operate a telegraph sounder.
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Nobel Prize6.
Thermionic emission received a Nobel Prize in Physics in 1928 "for his work on the thermionic phenomenon and especially for the discovery of the law named after him".
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7.
Where J is the Thermionic emission current density, T is the temperature of the metal, W is the work function of the metal, k is the Boltzmann constant, and AG is a parameter discussed next.
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8.
Thermionic emission law has been recently revised for 2D materials in various models.
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9.
Electron Thermionic emission that takes place in the field-and-temperature-regime where this modified equation applies is often called Schottky Thermionic emission.
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10.
Thermionic emission can be enhanced by interaction with other forms of excitation such as light.
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