GaAs reflection photocathodes grown by vapor-phase epitaxy using trimethyl gallium and arsine have been activated to a maximum sensitivity of 1150 μA 1m−1. The material is of high quality and has diffusion lengths and surface escape probabilities which are comparable with those measured for liquid-phase epitaxial material.
Masashi OzekiKoichi DazaiOsamu Ryuzan
Eiji IkedaHideki HasegawaHideo Ohno
I. RegolinV. KhorenkoW. ProstFranz J. TegudeDaniela SudfeldJ. KästnerGünter DumpichKlemens HitzbleckHartmut Wiggers
Yutaka NonomuraYasuo OkunoJun‐ichi Nishizawa
A. P. RothS. CharbonneauR. G. Goodchild