Solar‐driven photoelectrochemical (PEC) energy conversion holds great potential in
converting solar energy into storable and transportable chemicals or fuels, providing a …

New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes
are predicted based on the detected optical spin orientation effect and DFT band structure …

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 x-ray free electron lasers and ultrafast electron diffraction experiments is
largely dependent on the brightness of electron sources from photoinjectors. The maximum …

Strain-engineering is a powerful means to tune the polar, structural, and electronic
instabilities of incipient ferroelectrics. KTaO 3 is near a polar instability and shows …

Alkali antimonide semiconductor photocathodes provide a promising platform for the
generation of high-brightness electron beams, which are necessary for the development of …

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 …

Photocathodes are key elements in high-brightness electron sources and ubiquitous in the
operation of large-scale accelerators, although their operation is often limited by their …

With their high quantum efficiency (QE) and excellent photoemissive properties, cesium
telluride (Cs-Te) photocathodes are the current workhorse in the high average current …

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 …