Photocathode quantum efficiency of ultrathin Cs_{2}Te layers on Nb substrates
The quantum efficiencies (QE) of photocathodes consisting of bulk Nb substrates coated with thin films of Cs_{2}Te are reported. Using the standard recipe for Cs_{2}Te deposition developed for Mo substrates (220 Å Te thickness), a QE∼11%–13% at light wavelength of 248 nm is achieved for the Nb subst...
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2017-12-01
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| Series: | Physical Review Accelerators and Beams |
| Online Access: | http://doi.org/10.1103/PhysRevAccelBeams.20.123401 |