Physics & Astronomy
thermionic emitters
100%
diamond films
64%
electron emission
57%
thermionic emission
46%
nitrogen
43%
Richardson-Dushman equation
36%
diamonds
31%
nucleation
29%
negative electron affinity
27%
space communication
27%
propulsion
22%
energy conversion
21%
surface layers
17%
vapor deposition
15%
microwaves
13%
hydrogen
12%
temperature
11%
Engineering & Materials Science
Electron emission
98%
Diamond films
88%
Nitrogen
54%
Nucleation
41%
Diamonds
39%
Electron affinity
38%
Plasma CVD
35%
Direct energy conversion
34%
Temperature
23%
Doping (additives)
21%
Propulsion
17%
Microwaves
17%
Hydrogen
15%
Communication
9%
Chemical Compounds
Electron Emission
60%
Diamond
55%
Nitrogen
35%
Work Function
33%
Liquid Film
28%
Nucleation
24%
Plasma Chemical Vapour Deposition
19%
Communication
13%
Doping Material
12%
Microwave
11%
Surface
9%
Resistance
9%
Hydrogen
7%
Application
4%