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 …

Ab initio Quantum-Mechanical methods are well-established tools for material
characterization and discovery in many technological areas. Recently, state-of-the-art …

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 …

Ultra-flat, ultra-thin alkali antimonide photocathodes with high crystallinity can exhibit high
quantum efficiency and low mean transverse energy of outgoing electrons, which are …

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 …

Cesium telluride (CsTe) photocathodes have been the primary choice for electron sources
by worldwide accelerators, due to their high quantum yield, stable performance in complex …

High quantum efficiency photocathodes are mandatory for the operation of photoinjector
driven electron accelerators with high average current and high brightness beams …

Alkali antimonide photocathodes are capable of generating high brightness electron beams
given their high quantum efficiency and low mean transverse energy (MTE). Increasing the …

Due to their excellent photoemissive properties, especially low thermal emittance and high
sensitivity in the green wavelength, multi-alkali antimonide photocathodes, in particular …

Alkali antimonides are well established as high efficiency, low intrinsic emittance
photocathodes for accelerators and photon detectors. However, conventionally grown alkali …