Author: Liu, K.X.
Paper Title Page
WEPNEC25 Research on Alkali Antimonide Photocathode Fabrication Recipe at PKU 120
 
  • D.M. Ouyang, L.W. Feng, S. Huang, K.X. Liu, S.W. Quan, H.M. Xie, X.K. Zhang, S. Zhao
    PKU, Beijing, People’s Republic of China
 
  Low emittance, high QE and long lifetime photocathode is widely studied for X-ray Free Electron Laser (XFEL)and Energy Recovery Linacs (ERL) applications. A deposition system for alkali antimonide photocathode (K2CsSb, Cs3Sb etc.) is being commissioned at Peking University. In this paper, we present our experimental results on alkali antimonide photocathode with this deposition system. We successfully fabricated Cs3Sb photocathode on oxygen free copper, p-type Si (100) and Mo substrates with QE of 1.4%, 2.6% and 2.6% respectively.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ERL2019-WEPNEC25  
About • paper received ※ 27 September 2019       paper accepted ※ 01 November 2019       issue date ※ 24 June 2020  
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