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Mg based photocathodes for high brightness RF photoinjectors RID B-8628-2011

Author:
Cultrera, L.  Gatti, G.  Tazzioli, F.  Perrone, A.  Miglietta, P.  Ristoscu, C.  Orlanducci, S.  Fiori, A.  


Journal:
APPLIED SURFACE SCIENCE


Issue Date:
2007


Abstract(summary):

Advanced high brightness radio frequency (RF) gun injectors require photocathodes with a fast response, high quantum efficiency (QE) and good surface uniformity. Metal films deposited by various techniques on the gun back wall could satisfy these requirements. A new deposition technique has been recently proposed, i.e. pulsed laser ablation. Several Mg samples have been deposited by this technique: the emission performance and morphological changes induced on the cathode surface during laser activation are compared and discussed. (C) 2007 Elsevier B.V. All rights reserved.


Page:
6531---6534


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