Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

Quantum materials are driving a technology revolution in sensing, communication, and
computing, while simultaneously testing many core theories of the past century. Materials …

Ultrafast electron diffraction (UED) is a technique in which short-pulse electron beams can
probe the femtosecond-scale evolution of atomic structure in matter driven far from …

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

In this Letter we demonstrate the use of plasmonic focusing in conjunction with nonlinear
photoemission to develop geometrically flat nanoscale electron sources with less than 40 …

In ultrafast electron diffraction (UED) experiments, accurate retrieval of time-resolved
structural parameters, such as atomic coordinates and thermal displacement parameters …

Novel photocathode materials like ordered surfaces of single crystal metals, epitaxially
grown high quantum efficiency thin films, and topologically non-trivial materials with dirac …

Driven by life-science applications, a mega-electron-volt Scanning Transmission Electron
Microscope (MeV-STEM) has been proposed here to image thick frozen biological samples …

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

Ultrafast electron diffraction (UED) stands as a powerful technique for real-time observation
of structural dynamics at the atomic level. In recent years, the use of MeV electrons from …