Keyphrases
Graphite
100%
Microstructure
100%
Low-threshold Field Emission
100%
Catalytic Growth
100%
Field Emission Properties
100%
Growth Threshold
100%
Order of Magnitude
12%
Scanning Electron Microscopy
12%
Transmission Electron Microscopy
12%
Uniformly Distributed
12%
Poor Quality
12%
G-band
12%
Integrated Intensity
12%
Growth Mechanism
12%
Highly Stable
12%
Emission Characteristics
12%
Intensity Ratio
12%
Metal-free
12%
Si Surface
12%
Si Substrate
12%
Highly Crystalline
12%
As-grown
12%
Site-selective Growth
12%
Average Growth Rate
12%
Combined Observation
12%
Open-end
12%
Hollow Nanotubes
12%
Microwave Plasma Chemical Vapor Deposition (MPCVD)
12%
Fe Film
12%
Stable Emission
12%
Confocal Raman Microscopy
12%
Apex Angle
12%
Field Emission Performance
12%
Fe Catalyst
12%
Turn-on Field
12%
Material Science
Surface (Surface Science)
100%
Density
100%
Film
100%
Scanning Electron Microscopy
100%
Transmission Electron Microscopy
100%
Nanotube
100%
Micro-Raman Spectroscopy
100%
Chemical Vapor Deposition
100%
Engineering
Field Emission
100%
Nanotube
50%
Poor Quality
50%
Si Surface
50%
Si Substrate
50%
Growth Mechanism
50%
Microwave Plasma
50%
Integrated Intensity Ratio
50%
Assisted Chemical Vapor Deposition
50%
Open End
50%
Earth and Planetary Sciences
Emissions
100%
Nanotube
33%
Scanning Electron Microscopy
33%
Transmission Electron Microscopy
33%
Emitter
33%
Vapor Deposition
33%