Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
276 0 |
SM ISO690:2012 BARENGOLTS, Yury, BERIL, Stephan. High-voltage thermionic polaron emission in the presence of adsorbed nonmetal nanofilm on a cathode. In: Technical Physics Letters, 2016, nr. 7(42), pp. 689-691. ISSN 1063-7850. DOI: https://doi.org/10.1134/S1063785016070026 |
EXPORT metadate: Google Scholar Crossref CERIF DataCite Dublin Core |
Technical Physics Letters | ||||||
Numărul 7(42) / 2016 / ISSN 1063-7850 /ISSNe 1090-6533 | ||||||
|
||||||
DOI:https://doi.org/10.1134/S1063785016070026 | ||||||
Pag. 689-691 | ||||||
|
||||||
Rezumat | ||||||
The equation of thermionic emission has been derived, which takes into account the presence of thin films of adsorbed gas-environment molecules on a cathode under conditions of high-voltage gas discharge. It is shown that the consideration of electron polaron tunneling mechanism leads to a significant (by more than an order of magnitude) decrease in the emission-current density. A comparison with the classical Richardson–Schottky equation is performed. The role of the polaron effect is shown to strongly increase with an increase in the applied electric field strength and a decrease in temperature, which is due to an increase in the electron work function because of polaron nature. |
||||||
Cuvinte-cheie Electron Runaway (Plasma Physics), electron beam, Gas Discharges |
||||||
|