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 …
Ab initio quantum-mechanical predictions of semiconducting photocathode materials
Ab initio Quantum-Mechanical methods are well-established tools for material
characterization and discovery in many technological areas. Recently, state-of-the-art …
characterization and discovery in many technological areas. Recently, state-of-the-art …
[HTML][HTML] Theory of photoemission from cathodes with disordered surfaces
Linear-accelerator-based applications like x-ray free electron lasers, ultrafast electron
diffraction, electron beam cooling, and energy recovery linacs use photoemission-based …
diffraction, electron beam cooling, and energy recovery linacs use photoemission-based …
Ultrabright and ultrafast III–V semiconductor photocathodes
Crucial photoemission properties of layered III–V semiconductor cathodes are predicted
using Monte Carlo simulations. Using this modeling, a layered GaAs structure is designed to …
using Monte Carlo simulations. Using this modeling, a layered GaAs structure is designed to …
Effects of physical and chemical surface roughness on the brightness of electron beams from photocathodes
The performance of free electron laser x-ray light sources, and systems for ultrafast electron
diffraction and ultrafast electron microscopy, is limited by the brightness of the electron …
diffraction and ultrafast electron microscopy, is limited by the brightness of the electron …
[HTML][HTML] Improved lifetime of a high spin polarization superlattice photocathode
Negative Electron Affinity (NEA) activated surfaces are required to extract highly spin-
polarized electron beams from GaAs-based photocathodes, but they suffer extreme …
polarized electron beams from GaAs-based photocathodes, but they suffer extreme …
Demonstration of thermal limit mean transverse energy from cesium antimonide photocathodes
The mean transverse energy (MTE) of electrons emitted from cathodes is a critical parameter
that determines the brightness of electron beams for applications, such as x-ray free electron …
that determines the brightness of electron beams for applications, such as x-ray free electron …
Quantum efficiency, photoemission energy spectra, and mean transverse energy of ultrananocrystalline diamond photocathode
The quantum efficiency and mean transverse energy of electrons emitted from a cathode
determine the quality of beams generated from photoinjectors. The nitrogen-incorporated …
determine the quality of beams generated from photoinjectors. The nitrogen-incorporated …
Photoemission from advanced heterostructured AlxGa1-xAs/GaAs photocathodes under multilevel built-in electric field
C Feng, Y Zhang, Y Qian, B Chang, F Shi, G Jiao… - Optics …, 2015 - opg.optica.org
A heterostructured Al_xGa_1-xAs/GaAs photocathode consisting of a composition-graded
buffer layer and an exponential-doped emission layer is developed to improve the …
buffer layer and an exponential-doped emission layer is developed to improve the …
Effects of surface nonuniformities on the mean transverse energy from photocathodes
The performance of photoinjectors is limited by the lowest value of the mean transverse
energy of the electrons obtained from photocathodes. The factors that influence the mean …
energy of the electrons obtained from photocathodes. The factors that influence the mean …