The effects of an electric field on fast electron beams passing through dielectrics are considered. In particular, it is shown how an electric field influences the bremsstrahlung yield, by which is meant the number of secondary gamma -photons generated per incident electron. The experiments were carried out using an electron microscope with electron energy continuously adjustable from 50 to 100 kev. It is found that the fields achievable in dielectrics can alter the bremsstrahlung yield by 10-40%; this effect is determined principally by the ratio of the electric field divided by the specific electron energy losses associated with ionization and excitation.
|Number of pages||2|
|Journal||Soviet physics. Technical physics|
|Publication status||Published - May 1984|
ASJC Scopus subject areas
- Environmental Science(all)
- Earth and Planetary Sciences(all)