Davisson-Germer experiment

Davisson-Germer experiment

[¦da·və·sən ¦ger·mər ik‚sper·ə·mənt]
(quantum mechanics)
The first experiment to demonstrate electron diffraction, in which a beam of electrons was directed at the surface of a nickel crystal, and the distribution of electrons scattered back from the crystal was measured by a Faraday cylinder.