Physics
Photocathode
100%
Photoelectric Emission
88%
Emittance
40%
Electron Beam
39%
Negative Electron Affinity
20%
Electron Source
19%
Electron Diffraction
18%
Surface Roughness
15%
Free Electron Lasers
15%
Electron Energy
15%
Single Crystal
14%
Caesium
12%
Monte Carlo
12%
Injector
12%
Electron Microscopy
9%
Ultrafast Lasers
9%
Surface Roughness Effect
8%
Electron Emission
8%
Photoelectric Material
8%
Crystal Surface
8%
Nanoscale
8%
Graphene
7%
Physics
7%
Light Source
7%
Pulse Heating
6%
Electron Spin
6%
Phonon
6%
Thermionics
6%
Work Function
6%
Titanates
6%
Energy Spectra
6%
Spin Polarization
6%
Vapor Phase Epitaxy
6%
Nitride
6%
Density of States
5%
Energy Distribution
5%
Photoelectron
5%
Transverse Momentum
5%
Electron Spectroscopy
5%
Keyphrases
Photocathode
33%
Transverse Energy
22%
Energy Recovery Linac
15%
Metallic Photocathodes
14%
Photoemission
14%
Photoinjector
13%
Ultralow Emittance
13%
Cesium
12%
Antimonide Photocathodes
12%
GaAs Photocathode
12%
Energy Spread
9%
Emittance
8%
Electron Beam
8%
Thermal Limits
8%
Surface Roughness
8%
Free Electron Laser
7%
Cu(111)
7%
Alkali Antimonide
7%
Nanoscale Roughness
7%
Linac Injector
7%
Quantum Efficiency
6%
Strontium Titanate
6%
Energy-momentum
6%
Chemical Surface
6%
Laser Pulse Heating
6%
Emittance Measurement
6%
Quantum Surface
6%
High Current
6%
Low-energy Electrons
6%
Energy Analyzer
6%
Electron Injector
6%
Single Crystal Cu
6%
Quantum Yield
6%
Electron Gun
6%
Single Crystal
6%
High Average Current
6%
Surface Nonuniformity
6%
Cryogenically Cooled
6%
Spin-polarized Photoemission
6%
Gallium Arsenide
6%
Atomically Smooth
6%
Single Crystal Surfaces
6%
Step Model
6%
Function Enhancement
6%
Electron Beam Source
6%
Flow Vortex
6%
PbTe
6%
Ab Initio Theory
6%
Cornell University
6%
Ion Beam Assisted
6%
Engineering
Photocathode
64%
Energy Engineering
48%
Photoemission
32%
Quantum Efficiency
27%
Energy Electron
12%
Free Electron
8%
Repetition Rate
6%
Electron Emission
6%
Light Source
6%
Nonequilibrium
6%
III-V Semiconductor
6%
Crystal Surface
6%
Step Model
6%
Field Enhancement
6%
Gallium Arsenide
6%
Thermal Emittance
6%
