Physics & Astronomy
electron impact
100%
ionization cross sections
57%
ionization
42%
cross sections
41%
whispering gallery modes
34%
electron tunneling
20%
microparticles
19%
ions
19%
molecules
17%
atoms
16%
spectroscopy
16%
proximity
16%
formalism
14%
excitation
14%
energy
14%
fragments
13%
phonons
13%
electrons
12%
bioinstrumentation
12%
aerosols
12%
thresholds
12%
atmospheric pressure
11%
free radicals
11%
shift
10%
viruses
10%
plasma jets
10%
nanoparticles
9%
direct current
9%
microplasmas
9%
fluorescence
9%
superconductivity
8%
Josephson effect
8%
argon
8%
proteins
8%
traps
7%
polarization
7%
electrodynamics
7%
resonators
6%
photons
6%
pyrenes
6%
photoelectric emission
6%
sizing
6%
excitons
6%
electron energy
6%
excimers
6%
sensors
6%
light emission
6%
kinetic energy
6%
ultraviolet emission
6%
sensitivity
6%
positive ions
5%
collisions
5%
tunnel junctions
5%
neon
5%
air
5%
plasma electrodes
5%
cathodes
5%
anthracene
5%
cold plasmas
5%
interactions
5%
adsorption
5%
mass spectrometers
5%
crystals
5%
fullerenes
5%
wavelengths
5%
dipoles
5%
scattering
5%
neutral beams
5%
Engineering & Materials Science
Electrons
55%
Impact ionization
45%
Ionization
38%
Whispering gallery modes
22%
Spectroscopy
21%
Atoms
20%
Ions
19%
Phonons
18%
Plasmas
17%
Electron tunneling
14%
Molecules
14%
Microcavities
12%
Single crystals
11%
Superconducting materials
11%
Viruses
9%
Electrodynamics
8%
Tunnel junctions
8%
Photoemission
8%
Labels
8%
Argon
7%
Vacuum
7%
Superconductivity
7%
Biosensors
7%
Crystals
7%
Microspheres
7%
Photonics
6%
Fullerenes
6%
Aerosols
6%
Nanoparticles
6%
Proteins
6%
Temperature
5%
Plasmonics
5%
Scanning
5%
Neon
5%
Atmospheric pressure
5%
Fluorescence
5%
Chemical Compounds
Ionization
25%
Electron Impact
21%
Tunneling
19%
Energy
12%
Electron Transmission Spectroscopy
12%
Ion
11%
Plasma
10%
Dissociative Ionization
10%
Superconductor
7%
Single Crystalline Solid
7%
Free Radical
6%
Spectroscopy
6%
Electrodynamics
6%
Resonance
5%
Exciton
5%
Kinetic Energy
5%
Sputter Deposition
5%
Aerosol
5%
Proton Transfer Reaction Mass Spectrometry
5%
Additivity
5%
Superconductivity
5%