Work function
The work function is the minimum energy (usually measured in electron volts) needed to remove an electron from the Fermi level in a metal to a point at infinite distance away outside the surface. The work function is generally about half the ionization energy of a free atom of the metal. For example, Caesium has ionization energy 3.9 eV and work function 1.9 eV.
External links
- Work functions of common metals
- Work functions of various metals for the photoelectric effect
- Contains some work functions for metals and the corresponding heat required to eject them by thermionic emission
- Some work functions
~ Table of Content ~
| ► | Introduction |
| ► | Photoelectric work function |
| ► | Thermionic work function |
| ► | Applications |
| ► | See also |
| ► | External links |
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