The Reflection of Atomic Hydrogen from Ice Crystals

Abstract

DAVISSON and Germer (NATURE, April 16, p. 558) have shown that electrons are reflected from a nickel crystal in the directions which would be taken by X-rays of wave-length λ=h/mv if they were reflected from a slightly modified crystal lattice. This result, which is in accord with the ideas of L. de Broglie, indicates that the diffractive nature of the reflection is to be associated with the momentum rather than with the structure of the electron. One is therefore led to think that the same phenomenon may exist when atoms are reflected from a crystal surface. Although the investigation of this reflection is not yet completed, the preliminary results support this view and are therefore thought to be of sufficient interest for immediate publication.

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JOHNSON, T. The Reflection of Atomic Hydrogen from Ice Crystals. Nature 120, 191 (1927). https://doi.org/10.1038/120191a0

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