Engineering & Materials Science
Solar cells
100%
Heterojunctions
81%
Substrates
77%
Silicon
73%
Molecular beam epitaxy
57%
Electrons
54%
Temperature
54%
Photoluminescence
46%
Thin films
45%
Nanowires
45%
Energy gap
42%
Semiconductor materials
37%
Doping (additives)
36%
Semiconductor quantum wells
35%
Data storage equipment
33%
Wavelength
31%
Indium
30%
Phonons
29%
Quantum efficiency
29%
Oxides
28%
Thin film transistors
27%
Optical properties
27%
Amorphous silicon
27%
High electron mobility transistors
26%
Metals
26%
Electric potential
26%
Ions
25%
Antennas
25%
Metallizing
24%
Electrodes
24%
Transmission electron microscopy
24%
Passivation
23%
Defects
23%
Chemical analysis
23%
Annealing
23%
Scattering
23%
Multi-junction solar cells
22%
Crystalline materials
22%
Degradation
22%
Silver
21%
Networks (circuits)
20%
Transistors
20%
Fabrication
19%
Simulators
18%
Lasers
18%
Chalcogenides
18%
Electric properties
17%
Electron holography
17%
Epitaxial growth
17%
X rays
17%
Imaging techniques
16%
Proteins
16%
Porphyrins
16%
Excitons
16%
Carrier lifetime
16%
Polarization
16%
Open circuit voltage
16%
Molecules
15%
Microwaves
15%
Infrared radiation
15%
Acoustic impedance
14%
Sensors
14%
Diodes
14%
Superlattices
14%
Organic light emitting diodes (OLED)
14%
Nitrides
14%
Tin oxides
14%
Glass
14%
Zinc oxide
14%
Flexible displays
14%
Radiation
14%
Diffraction
14%
Plasmas
13%
Students
13%
Threshold voltage
13%
Bandwidth
13%
Costs
13%
Characterization (materials science)
13%
Experiments
13%
Silicon solar cells
13%
Heating
13%
Structural properties
13%
Perovskite
12%
Carrier concentration
12%
Monolayers
12%
Diamonds
12%
Hot Temperature
12%
Communication
12%
Current density
12%
Electric fields
12%
Spectroscopy
12%
X ray diffraction
12%
Band structure
12%
Rutherford backscattering spectroscopy
12%
Solid electrolytes
12%
Nanostructures
11%
Problem-Based Learning
11%
Photodetectors
11%
Oxide films
11%
Polymers
11%
Chemical Compounds
Solar Cell
54%
Molecular Beam Epitaxy
42%
Antineoplastic Agent
40%
Liquid Film
40%
Simulation
37%
Semiconductor
35%
Voltage
35%
Application
27%
Nanowire
25%
Surface
23%
Electron Particle
22%
Energy
21%
Photoluminescence
20%
Alloy
19%
Amorphous Silicon
18%
Band Gap
18%
Wavelength
18%
Optical Property
16%
Time
16%
Dolastatin 10
16%
Annealing
16%
Antineoplastic
15%
Oxide
15%
Ambient Reaction Temperature
15%
Strain
14%
Bryostatins
14%
Vitamin D
14%
Electrical Property
13%
Bufadienolides
13%
Electron Transfer
13%
Compound Mobility
13%
Chemical Passivation
13%
Monte Carlo Method
13%
Doping Material
12%
Behavior as Electrode
12%
Length
12%
Reduction
12%
Electron Mobility
12%
Protein
12%
Transmission Electron Microscopy
12%
Diamond
12%
Resistance
11%
Metal
11%
Microwave
11%
Phonon
11%
Porphyrin
11%
Diffusion
11%
Epitaxial Growth
10%
Growth Inhibitor
10%
Peptide
10%
Amorphous Material
10%
Quantum Dot
10%
Reaction Yield
10%
Polarization
10%
Current Density
10%
Energy Transfer
9%
Chemical Vapour Deposition
9%
Velocity
9%
Superlattice
9%
Nitride
9%
Modification
8%
Optoelectronics
8%
Tandem Solar Cell
8%
50 Percent Growth Inhibition
8%
Pancratistatin
8%
Tunneling
8%
Epitaxial Film
8%
Dielectric Material
8%
Crystal Structure
8%
Microstructure
8%
Electric Field
8%
Nanomaterial
8%
Rutherford Backscattering Spectroscopy
8%
Carotenoid
7%
Nonconductor
7%
Threading Dislocation
7%
Optical Phonon
7%
Exciton
7%
Microarrays
7%
Electronic Band Structure
7%
Field Effect
7%
Dioxygen
7%
Plasma
7%
Acid
7%
Multilayer
6%
Zinc Oxide
6%
Dimension
6%
X-Ray Diffraction
6%
Grain Boundary
6%
Statistical Ensemble
6%
Monolayer
6%
Drain Current
6%
Bryostatin 1
6%
Impact Ionization
6%
Dose
6%
Buffer Solution
6%
Leakage Current
6%
Atomic Layer Epitaxy
6%
Molecule
6%
Glass
6%
Physics & Astronomy
solar cells
33%
molecular beam epitaxy
29%
thin films
29%
silicon
26%
nanowires
23%
characterization
21%
electrons
21%
simulation
19%
photoluminescence
18%
quantum wells
18%
performance
18%
defects
17%
electronics
16%
transistors
16%
temperature
15%
quantum dots
15%
high electron mobility transistors
15%
wavelengths
15%
transmission electron microscopy
14%
field effect transistors
14%
antennas
13%
optical properties
13%
silver
13%
superlattices
13%
holography
12%
metals
12%
x rays
12%
annealing
11%
room temperature
11%
energy
11%
electric potential
11%
scattering
11%
oxides
11%
spectroscopy
11%
electron microscopy
10%
indium oxides
10%
electrical properties
10%
quantum efficiency
10%
chaos
10%
insulators
10%
heterojunctions
10%
high resolution
10%
phonons
10%
electrical resistivity
10%
chalcogenides
10%
electrodes
9%
graphene
9%
fabrication
9%
porphyrins
9%
polarization
9%
diamonds
9%
microwaves
9%
excitation
9%
ions
9%
simulators
9%
photometers
9%
diffraction
8%
tin oxides
8%
light emitting diodes
8%
dosage
8%
life (durability)
8%
dynamical systems
8%
glass
8%
lasers
8%
wafers
8%
nitrides
8%
emitters
8%
carotenoids
8%
profiles
7%
games
7%
electron transfer
7%
CMOS
7%
passivity
7%
synchronism
7%
backscattering
7%
synthesis
7%
sensors
7%
radiation
7%
cavities
7%
oxygen
7%
conduction
7%
diodes
7%
optimization
7%
random access memory
6%
energy transfer
6%
augmentation
6%
carrier lifetime
6%
amorphous silicon
6%
zinc oxides
6%
vapor deposition
6%
traps
6%
proteins
6%
metalorganic chemical vapor deposition
6%
hydrogen
6%
atomic layer epitaxy
6%
buckling
6%
polyethylenes
6%
oscillators
6%