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 …
Single-crystal alkali antimonide photocathodes: High efficiency in the ultrathin limit
The properties of photoemission electron sources determine the ultimate performance of a
wide class of electron accelerators and photon detectors. To date, all high-efficiency visible …
wide class of electron accelerators and photon detectors. To date, all high-efficiency visible …
Review of recent progress on advanced photocathodes for superconducting RF guns
R Xiang, J Schaber - Micromachines, 2022 - mdpi.com
As is well known, the quality of the photocathodes is essential for the stability and reliability
of photoinjector operations. Especially for superconducting radio frequency photoinjectors …
of photoinjector operations. Especially for superconducting radio frequency photoinjectors …
Electronic structure of cesium-based photocathode materials from density functional theory: performance of PBE, SCAN, and HSE06 functionals
HD Saßnick, C Cocchi - Electronic Structure, 2021 - iopscience.iop.org
The development of novel materials for vacuum electron sources in particle accelerators is
an active field of research that can greatly benefit from the results of ab initio calculations for …
an active field of research that can greatly benefit from the results of ab initio calculations for …
Physically and chemically smooth cesium-antimonide photocathodes on single crystal strontium titanate substrates
The performance of x-ray free electron lasers and ultrafast electron diffraction experiments is
largely dependent on the brightness of electron sources from photoinjectors. The maximum …
largely dependent on the brightness of electron sources from photoinjectors. The maximum …
[HTML][HTML] Atomically smooth films of CsSb: A chemically robust visible light photocathode
Alkali antimonide semiconductor photocathodes provide a promising platform for the
generation of high-brightness electron beams, which are necessary for the development of …
generation of high-brightness electron beams, which are necessary for the development of …
Rugged bialkali photocathodes encapsulated with graphene and thin metal film
L Guo, F Liu, K Koyama, N Regis, AM Alexander… - Scientific Reports, 2023 - nature.com
Protection of free-electron sources has been technically challenging due to lack of materials
that transmit electrons while preventing corrosive gas molecules. Two-dimensional materials …
that transmit electrons while preventing corrosive gas molecules. Two-dimensional materials …
[HTML][HTML] Reduction of surface roughness emittance of Cs3Sb photocathodes grown via codeposition on single crystal substrates
Alkali antimonide photocathodes are capable of generating high brightness electron beams
given their high quantum efficiency and low mean transverse energy (MTE). Increasing the …
given their high quantum efficiency and low mean transverse energy (MTE). Increasing the …
Novel approach to push the limit of temporal resolution in ultrafast electron diffraction accelerators
Ultrafast electron diffraction techniques that employ relativistic electrons as a probe have
been in the spotlight as a key technology for visualizing structural dynamics which take …
been in the spotlight as a key technology for visualizing structural dynamics which take …
Electronic structure and core electron fingerprints of caesium-based multi-alkali antimonides for ultra-bright electron sources
The development of novel photocathode materials for ultra-bright electron sources demands
efficient and cost-effective strategies that provide insight and understanding of the intrinsic …
efficient and cost-effective strategies that provide insight and understanding of the intrinsic …