Engineering & Materials Science
Light emitting diodes
100%
Semiconductor quantum wells
40%
Sapphire
23%
Nitrides
22%
Photodetectors
17%
Plastic optical fibers
17%
Ohmic contacts
15%
Substrates
15%
Optical fiber communication
14%
Temperature
14%
Epitaxial films
13%
Wavelength
12%
Heterojunctions
12%
Annealing
12%
Tin oxides
11%
Photoluminescence
11%
Dark currents
11%
Nanorods
9%
Electroluminescence
9%
Metals
9%
Gallium nitride
8%
Electrons
8%
Solar cells
8%
Electric potential
8%
Photodiodes
8%
Photocurrents
8%
Photons
8%
Doping (additives)
8%
Metallorganic chemical vapor deposition
8%
Bias currents
7%
Quantum efficiency
7%
Diodes
7%
Electrodes
7%
Phosphors
6%
Contact resistance
6%
Electrostatic discharge
6%
Hole concentration
6%
Leakage currents
6%
Semiconductor materials
6%
Metallorganic vapor phase epitaxy
6%
Magnetron sputtering
5%
Hydrogen
5%
Optical properties
5%
Distributed Bragg reflectors
5%
Current density
5%
Etching
5%
Modulation
5%
Hot Temperature
5%
Physics & Astronomy
light emitting diodes
69%
quantum wells
19%
electric contacts
15%
sapphire
15%
output
14%
photometers
14%
nitrides
12%
gallium nitrides
11%
indium oxides
11%
caps
11%
tin oxides
10%
plastic fibers
10%
electric potential
8%
augmentation
8%
electroluminescence
7%
wavelengths
6%
acoustics
6%
junction diodes
6%
electrodes
6%
annealing
6%
communication
6%
optical fibers
6%
implantation
6%
p-n junctions
6%
heterojunctions
6%
metals
6%
rejection
5%
dark current
5%
high speed
5%
chips
5%
leakage
5%
photoluminescence
5%
photodiodes
5%
contact resistance
5%
injection
5%
metalorganic chemical vapor deposition
5%
Chemical Compounds
Liquid Film
13%
Voltage
12%
Superlattice
11%
Leakage Current
11%
Blue
11%
Epitaxial Film
10%
Green
10%
Photoelectrode
10%
Annealing
9%
Electroluminescence
8%
Wavelength
7%
Photon
7%
Tunneling
7%
Nitride
7%
Contact Resistance
7%
Etching
6%
Schottky Barrier
6%
Electrostatic Discharge
6%
Vapor Phase Epitaxy
6%
Photocurrent
6%
Surface
6%
Ambient Reaction Temperature
5%
