Review of photocathodes for electron beam sources in particle accelerators
This paper compares different photocathodes that are applicable for electron injector
systems and summarizes the development in cathode technology in the last years. The …
systems and summarizes the development in cathode technology in the last years. The …
New spin-polarized electron source based on alkali antimonide photocathode
New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes
are predicted based on the detected optical spin orientation effect and DFT band structure …
are predicted based on the detected optical spin orientation effect and DFT band structure …
C Demonstration Research and Development Plan
C $^ 3$ is an opportunity to realize an e $^+ $ e $^-$ collider for the study of the Higgs
boson at $\sqrt {s}= 250$ GeV, with a well defined upgrade path to 550 GeV while staying on …
boson at $\sqrt {s}= 250$ GeV, with a well defined upgrade path to 550 GeV while staying on …
Measurement of spin-polarized photoemission from wurtzite and zinc blende gallium nitride photocathodes
SJ Levenson, MB Andorf, BD Dickensheets… - Applied Physics …, 2024 - pubs.aip.org
Spin-polarized photoemission from wurtzite and zinc blende gallium nitride (GaN)
photocathodes has been observed and measured. The p-doped GaN photocathodes were …
photocathodes has been observed and measured. The p-doped GaN photocathodes were …
NEA GaAs Photocathode for Electron Source: From Growth, Cleaning, Activation to Performance
X Wang, M Shi, L Su, L Yang, X Deng, Y Zhang… - Materials Today …, 2025 - Elsevier
Benefitting from excellent QE and high polarization, GaAs-based photocathode becomes the
most promising candidate for electron source and has made rapid progress in the past 20 …
most promising candidate for electron source and has made rapid progress in the past 20 …
[HTML][HTML] High quantum efficiency GaAs photocathodes activated with Cs, O2, and Te
GaAs photocathodes are the primary choice for generating spin-polarized electron beam
with high brightness, high polarization, and fast polarization reversal. However, it suffers …
with high brightness, high polarization, and fast polarization reversal. However, it suffers …
Comparison of activation behavior of Cs-O and Cs-NF3-adsorbed GaAs (1 0 0)-β2 (2× 4) surface: From DFT simulation to experiment
S Li, Y Zhang, K Zhang, J Zhang, J Zhan, F Shi… - Journal of Colloid and …, 2022 - Elsevier
To clarify the performance differences between Cs-O and Cs-NF 3-activated GaAs
photocathodes, the changes in adsorption characteristics with Cs coverage for the Cs-O and …
photocathodes, the changes in adsorption characteristics with Cs coverage for the Cs-O and …
[HTML][HTML] Record quantum efficiency from strain compensated superlattice GaAs/GaAsP photocathode for spin polarized electron source
Photocathodes based on GaAs and other III–V semiconductors are capable of producing
highly spin-polarized electron beams. GaAs/GaAsP superlattice photocathodes exhibit high …
highly spin-polarized electron beams. GaAs/GaAsP superlattice photocathodes exhibit high …
Long lifetime polarized electron beam production from negative electron affinity GaAs activated with Sb-Cs-O: Trade-offs between efficiency, spin polarization, and …
GaAs-based photocathodes are the state-of-the-art in the production of highly spin-polarized
electron beams for accelerator and microscopy applications. While various novel structures …
electron beams for accelerator and microscopy applications. While various novel structures …
[HTML][HTML] Operation of Cs–Sb–O activated GaAs in a high voltage DC electron gun at high average current
Negative Electron Affinity (NEA) activated GaAs photocathodes are the most popular option
for generating a high current (> 1 mA) spin-polarized electron beam. Despite its popularity …
for generating a high current (> 1 mA) spin-polarized electron beam. Despite its popularity …