Effects of ion bombardment on bulk GaAs photocathodes with different surface-cleavage planes

Bulk GaAs samples with different surface cleave planes were implanted with 100 and 10 000 V hydrogen ions inside an ultrahigh vacuum test apparatus to simulate ion back-bombardment of the photocathode inside a DC high voltage photogun. The photocathode yield, or quantum efficiency, could easily be r...

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Bibliographic Details
Main Authors: Wei Liu, Shukui Zhang, Marcy Stutzman, Matt Poelker
Format: Article
Language:English
Published: American Physical Society 2016-10-01
Series:Physical Review Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevAccelBeams.19.103402