Physics & Astronomy
thermionics
69%
thermionic emission
65%
energy conversion
62%
diamond films
60%
methane
51%
emitters
46%
phosphorus
36%
thermionic emitters
31%
nitrogen
27%
negative electron affinity
26%
direct power generators
26%
vacuum
23%
electron sources
22%
electron guns
21%
electric power
20%
electron emission
18%
telecommunication
16%
charge transfer
16%
diamonds
14%
vapor deposition
14%
ionization
13%
electrodes
11%
hydrogen
11%
output
11%
characterization
10%
electrons
7%
temperature
5%
Engineering & Materials Science
Thermionic emission
100%
Diamond films
84%
Energy conversion
57%
Methane
52%
Phosphorus
45%
Electron affinity
36%
Nitrogen
34%
Electron sources
34%
Vacuum
33%
Electron emission
31%
Electron guns
29%
Ionization
24%
Charge transfer
23%
Chemical vapor deposition
21%
Electrons
18%
Diamonds
18%
Telecommunication
17%
Plasmas
17%
Hydrogen
14%
Electrodes
14%
Substrates
13%
Hot Temperature
8%
Temperature
7%
Chemical Compounds
Thermionic Emission
91%
Diamond
53%
Methane
44%
Work Function
43%
Phosphorus(.)
31%
Electron Particle
30%
Vacuum
29%
Liquid Film
27%
Electron Emission
25%
Nitrogen
22%
Chemical Vapour Deposition
16%
Ionization
14%
Charge Transfer
13%
Surface
11%
Application
11%
Plasma
11%
Hydrogen
9%
Behavior as Electrode
9%
Energy
8%