Abstract
Experimental study of electron beam reflection from a single planar surface of Plexiglas was made. The distinct guiding effect for the part of the beam was observed for 10 keV electrons within angles of incidence from 0 to +3 degrees. The experiments using Poly plates showed a number of features of the process such as the dependence of the reflection on the plate surface quality and material of the surfaces, the divisions of the beam into two parts with different behaviour depend on tilt angle and the beam current value, the effect of an elevation angle of the beam in compare with initial beam trace at negative and zero tilt angles of the plate.
Highlights
In recent years the possibility to guide electrons by insulating nanocapillaries attracts considerable attention because of its potential practical use in different areas of technology and science
All the results indicate the formation of the self-consistent charge distribution on the inner walls of that channels providing partially contactless transition of electrons even for non-zero angles of incidence
The experiments using plates showed a number of features of the process, such as the deviation of the reflection angle from the specular angle and the dependence of the reflection on the plate length, the division of the beam into two parts with different behaviour depend on tilt angle, and the dependence of the beam trace position on the beam current value
Summary
In recent years the possibility to guide electrons by insulating nanocapillaries attracts considerable attention because of its potential practical use in different areas of technology and science. The behavior of electrons passing through the capillaries is somewhat different from the behavior of ions indicating the inequality in the mechanism of the interaction of charged particles with insulating surface. Works in this area were carried out since 70 years of the last century, but the studies were focused mainly on high-current electron beams of high energy [2,3,4].
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