thermionic emission Antonyms
No Synonyms and anytonyms found
Meaning of thermionic emission
Wordnet
thermionic emission (n)
the emission of electrons from very hot substances
thermionic emission Sentence Examples
- Thermionic emission, the liberation of electrons from a heated surface, is a crucial phenomenon in vacuum tubes.
- The thermionic emission of electrons occurs when the temperature of a metal exceeds a certain threshold value.
- Thermionic emission is a temperature-dependent process, with the number of emitted electrons increasing exponentially with temperature.
- The work function of a metal, which represents the energy barrier that electrons must overcome to escape, influences the rate of thermionic emission.
- Thermionic emission can be enhanced by the application of an external electric field or a positive ion beam.
- The high thermionic emission in oxide-coated cathodes results from the presence of a low work function layer.
- Thermionic emission plays a vital role in the operation of incandescent light bulbs, where it generates the free electrons responsible for conduction.
- The thermionic emission of electrons from metal surfaces is essential for the detection of infrared radiation in photomultipliers.
- Thermionic emission is a key mechanism in the design of particle accelerators, where it provides a source of ions.
- The development of thermionic emission sources has revolutionized the field of electronics, enabling the advancement of technologies such as transistors and vacuum tubes.
FAQs About the word thermionic emission
the emission of electrons from very hot substances
No synonyms found.
No antonyms found.
Thermionic emission, the liberation of electrons from a heated surface, is a crucial phenomenon in vacuum tubes.
The thermionic emission of electrons occurs when the temperature of a metal exceeds a certain threshold value.
Thermionic emission is a temperature-dependent process, with the number of emitted electrons increasing exponentially with temperature.
The work function of a metal, which represents the energy barrier that electrons must overcome to escape, influences the rate of thermionic emission.
