Diffraction of Low-Energy Ion-Induced Secondary Electrons Emitted in the Forward Direction from a Solid Foil
- 29 September 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 57 (13) , 1584-1586
- https://doi.org/10.1103/physrevlett.57.1584
Abstract
By the measurement of doubly differential distributions of electrons emitted downstream when 170-keV protons pass through thin carbon foils, besides the convoy electron peak and the characteristic ridge, centered in the beam direction and found also in gas targets, a lateral structure is observed at larger angles. The location of this structure can be uniquely and quantitatively attributed to electron diffraction in the three-dimensional reticule of the polycrystalline foil. Electrons in the central ridge are found to diffract, while the convoy electrons do not.Keywords
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