Quantum Efficiency Enhancement of Bialkali Photocathodes by an Atomically Thin Layer on Substrates

Hisato Yamaguchi^*, Fangze Liu, Jeffrey DeFazio, Mengjia Gaowei, Lei Guo, Anna Alexander, Seong In Yoon, Chohee Hyun, Matthew Critchley, John Sinsheimer, Vitaly Pavlenko, Derek Strom, Kevin L. Jensen, Daniel Finkenstadt, Hyeon Suk Shin, Masahiro Yamamoto, John Smedley, Nathan A. Moody