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--- exercises:common:wf [2022/09/20 14:58] – created jglan
+++ exercises:common:wf [2022/10/31 18:11] – removed jglan
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-The **work function** is the minimum thermodynamic work needed to remove an electron from a solid (or surface) to a point in the vacuum. The work function is not a characteristic of a bulk material, but rather a property of the surface of the material.
-The work function //W// for a given surface is defined by the difference between Fermi level and electrostatic potential in the vacuum:
-$W = -e\phi - E_f$