Electrostatic Positron Beam for
Materials Characterisation


By Elena Abadjieva
November 2003
Delft University Press
ISBN: 90-407-2427-X
141 pages, Illustrate, 6 " x 9 "
$49.50 Paper Original


This dissertation describes the design and performance of an electrostatic variable energy positron beam. It is developed to perform Doppler-broadening measurements in the low mm range, positron lifetime measurements and transmission re-moderation experiments. The instrument has been built at Positron Centre Delft. Contents include: Principles of positron annihilation techniques, Positron beam optics, A facility for positron re-moderation experiments, Re-moderation experiments, Design options for a positron beam lifetime spectrometer, A facility for Doppler-broadening measurements in the low-mm range, Doppler-broadening measurements.

Materials Science

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