Formula of Electron Emission
The formula for electron emission, irrespective of its type, can be simplified to describe the process of overcoming the work function barrier. Here’s a basic representation:
KEmax = hν − ϕ
Where,
- KEmax is the maximum kinetic energy of the emitted electron (joules),
- h is Planck’s constant (6.62607015×10−34 J s),
- ν is the frequency of the incident radiation (hertz),
- ϕ is the work function of the material (joules).
Electron Emission
Electron emission is when electrons are released from a surface of a material due to energy input, like heat or an electric field. It is the process behind technologies like cathode ray tubes in old TVs.
In this article, we will understand the meaning of electron emission, the formula of electron emission, types of electron emission and applications of electron emission.
Table of Content
- What is Electron Emission?
- Formula of Electron Emission
- Types of Electron Emission
- Applications of Electron Emission
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