Physics
Ion Beam
100%
Ground State
31%
Ion Source
29%
Molecular Ion
27%
Ion
26%
Ionization Cross Sections
20%
Photoionization
17%
Fluence
16%
Electron Cyclotron Resonance
16%
Electron Energy
15%
Autoionization
13%
Heavy Ion
13%
Helium Ion
11%
Absorption Cross Sections
10%
Deuterium
9%
Excitation
9%
Kinetic Energy
8%
Target Ion
8%
Detailed balance
7%
Ion Implantation
6%
Backscattering
6%
Metal Ion
6%
Synchrotron Radiation
6%
Radiation Measurement
6%
Scanning Electron Microscopy
6%
Chemical Bond
6%
Configuration Interaction
6%
Electron Beam
5%
Blood Plasma
5%
Center of Mass
5%
Chemistry
Ion Beam
33%
Electron Impact Excitation
27%
Electron Impact
20%
Photoionization
17%
Ground State
17%
Molecular Ion
15%
formation
13%
Heavy Ion
12%
Autoionization
12%
Electron Impact Dissociation
10%
Kinetic Energy
10%
Ion
9%
ECR
8%
Ion Implantation
7%
Metastable Ion
7%
Helium Ion
7%
Electron Impact Ionization
6%
Synchrotron Radiation
6%
Electron Capture
6%
Metal Ion
6%
Free Electron
6%
Hydrogen Atom
5%
Molecular Orbital
5%
Chemical Bond
5%
Engineering
Cross Section
75%
Electron Capture
13%
Single Impact
13%
Ground State
12%
Atomic Hydrogen
10%
Ion Source
8%
Surface Morphology
8%
Beam Energy
7%
Energy Dissipation
7%
Energy Electron
6%
Ion Implantation
6%
Oak Ridge
6%
Molecular Orbital
6%
Sputtering Yield
6%
Excited State
5%
Polycrystalline
5%
Fusion Reactor
5%
Control System
5%
Experimental Investigation
5%
Metastable State
5%