Davisson–Germer experiment

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The Davisson–Germer experiment was conducted from 1923 to 1927 by Clinton Davisson and Lester Germer at Western Electric. Electrons, scattered by the surface of a crystal of nickel metal, displayed a

Davisson and Germer in 1927

American Physical Society plaque in Manhattan commemorates the experiment

Graph of the electrical current vs electron beam azimuth angle from the 1927 "The Scattering of Electrons by a Single Crystal of Nickel" paper. The presence of peaks and troughs is consistent with a diffraction pattern and suggests a wave-like nature of electrons.

Matter wave

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Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical, matter exhibits wave-like behavior. For e

Davisson–Germer experiment

…Western Electric (later Bell Labs). Electrons, scattered by the surface of a crystal of nickel metal, displayed a diffraction pattern. This confirmed the hypothesis, advanced by Louis de Broglie in 1924, of wave-particle duality, and also the wave mechanics approach of the Schrödinger equation. It was an experimental…

$Original electron diffraction camera made and used by Nobel laureate G P Thomson and his student Alexander Reid in 1925$

Original electron diffraction camera made and used by Nobel laureate G P Thomson and his student Alexander Reid in 1925

$Example original electron diffraction photograph from the laboratory of G. P. Thomson, recorded 1925–1927$

Example original electron diffraction photograph from the laboratory of G. P. Thomson, recorded 1925–1927