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What is the results in Davisson-Germer experiment?
shows the wave nature of electrons
Why davisson and germer used nickel element in his experiment?
Davisson and Germer used nickel as the target element in their experiment on electron diffraction because it has a well-defined crystal structure that produces regular diffraction patterns when bombarded with electrons. This allowed them to observe the wave-like behavior of electrons as they diffracted off the nickel crystal lattice.
What does Clinton J. davisson invented?
Clinton Joseph Davisson, an American physicist, was in the employ of Western Electric (Bell Laboratories), Davisson was mainly involved in thermionics and emission of electrons from metals under electron bombardment. In 1927 Davisson with the aid of L.H. Germer tested and confirmed that if you direct a beam of electrons on to a crystal of nickel, instead of bouncing off, the beam diffracted. For his confirmation of electron waves, Davisson shared the Nobel Prize in physics in 1937 with G.P. Thomson.
What is the procedure in Davisson-Germer experiment?
The Davisson-Germer experiment demonstrated the wave nature of the electron, confirming the earlier hypothesis of de Broglie. Putting wave-particle duality on a firm experimental footing, it represented a major step forward in the development of quantum mechanics. The Bragg Lawfor diffraction had been applied to x-ray diffraction, but this was the first application to particle waves.Davisson and Germer designed and built a vacuum apparatus for the purpose of measuring the energies of electrons scattered from a metal surface. Electrons from a heated filament were accelerated by a voltage and allowed to strike the surface of nickel metal. The electron beam was directed at the nickel target, which could be rotated to observe angular dependance of the scattered electrons. Their electron detector (which was also called as a Faraday box) was mounted on an arc so that it could be rotated to observe electrons at different angles. It was a great surprise to them to find that, at certain angles there was a peak in the intensity of the scattered electron beam. This peak indicated wave behaviour for the electrons, and could be interpreted by the Bragg Law to give values for the lattice spacing in the nickel crystal.
How did de broglie test his theory?
de Broglie waves for electrons have wavelengths similar to that of x-rays, which diffract when sent through certain crystals according to the Laue phenomenon. These wavelengths where fist confirmed by diffraction by Davisson and Germer.
Who Proposed that electrons behave as waves?
Louis de Broglie proposed the matter wave theory and the corresponding equation then Lester Germer and Clinton Davisson confirmed it to be true, by experimentation, for electrons.
Why davison germer used ni crystal in their experiment?
Davison and Germer used a nickel (Ni) crystal in their experiment to scatter electrons and observe their diffraction patterns. By bombarding the nickel crystal with electrons, they were able to demonstrate the wave-like behavior of electrons, confirming the wave-particle duality theory proposed by Louis de Broglie.
When was Adolph Germer born?
Adolph Germer was born in 1881.
When did Adolph Germer die?
Adolph Germer died in 1964.
When did Edmund Germer die?
Edmund Germer died in 1987.
When was Edmund Germer born?
Edmund Germer was born in 1901.
What has the author Margret Germer written?
Margret Germer has written: 'Brandung'
