An Experiment on the Velocity Distribution of Thermionic Electrons

Onofrio Rosario Battaglia; Rosa Maria Mineo; Ivan Guastella; Claudio Fazio

An Experiment on the Velocity Distribution of Thermionic Electrons

Onofrio Rosario Battaglia, Rosa Maria Mineo, Ivan Guastella, Claudio Fazio

Risultato della ricerca: Article › peer review

Abstract

This paper describes an undergraduate experiment that yields the velocity distribution of thermionic electrons by analyzing the I-V characteristics of diodes and triodes. The experiment allows students to focus on the distribution function more than on difficulties arising from the complexity of thermionic emission. By using a simple model, the velocity distribution of thermionic electrons emitted by the vacuum tube cathode can be described by Maxwell’s distribution.

Lingua originale	English
pagine (da-a)	1302-1308
Numero di pagine	7
Rivista	American Journal of Physics
Volume	78
Stato di pubblicazione	Published - 2010

All Science Journal Classification (ASJC) codes

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AB - This paper describes an undergraduate experiment that yields the velocity distribution of thermionic electrons by analyzing the I-V characteristics of diodes and triodes. The experiment allows students to focus on the distribution function more than on difficulties arising from the complexity of thermionic emission. By using a simple model, the velocity distribution of thermionic electrons emitted by the vacuum tube cathode can be described by Maxwell’s distribution.

KW - Maxwell distribution

KW - Thermionic emission

KW - Maxwell distribution

KW - Thermionic emission

UR - http://hdl.handle.net/10447/51818

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JO - American Journal of Physics

JF - American Journal of Physics

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