Engineering & Materials Science
Sol-gel process
100%
Europium
95%
Sol-gels
88%
Optical properties
57%
Luminescence
42%
Powders
37%
X ray diffraction
36%
Antioxidants
34%
Thin films
34%
Annealing
31%
Sols
31%
Nanocrystallites
30%
Lutetium
28%
Yttrium oxide
27%
Coating techniques
27%
Terbium
27%
Nitrates
25%
Doping (additives)
25%
Molar ratio
24%
Structural properties
23%
Glass ceramics
23%
Crystallite size
22%
Yttrium
22%
Silica
22%
Fourier transform infrared spectroscopy
21%
Ions
21%
Temperature
20%
Hydroxyapatite
19%
Nanoparticles
18%
Crystalline materials
17%
Energy transfer
17%
Scavenging
17%
Waveguides
16%
Particle size
16%
Barium titanate
15%
X rays
15%
Transmission electron microscopy
15%
Infrared spectroscopy
15%
Assays
14%
Crystallites
14%
Free radicals
14%
Microcrystals
13%
Ethanol
13%
Barium
12%
Hydrothermal synthesis
12%
Spectroscopy
12%
SiO2 nanoparticles
11%
Planar waveguides
11%
Chemical vapor infiltration
11%
Physics & Astronomy
gels
65%
synthesis
47%
europium
38%
sol-gel processes
33%
optical properties
26%
ceramics
20%
x rays
18%
coating
17%
annealing
17%
nanoparticles
16%
silicon dioxide
16%
lutetium
16%
diffraction
16%
crystallites
14%
thin films
14%
nitrates
14%
antioxidants
14%
terbium
14%
infrared spectroscopy
14%
yttrium oxides
13%
characterization
13%
luminescence
13%
preparation
12%
temperature
11%
matrices
11%
chemical vapor infiltration
11%
waveguides
10%
glass
10%
routes
9%
hydrogen production
9%
citrates
9%
dipping
8%
ions
8%
glycerols
8%
ethyl alcohol
8%
acids
8%
energy transfer
8%
transmission electron microscopy
8%
boron nitrides
7%
catalysts
7%
cracks
7%
quenching
7%
gadolinium
7%
excitation
7%
yttrium
6%
emission spectra
6%
alkoxides
6%
quartz
6%
xerogels
6%
spectroscopy
5%
Chemistry
Sol Gel Process
59%
Liquid Film
52%
Luminiscence Type
47%
Optical Property
38%
Cubic Space Group
31%
Annealing
25%
Glass Ceramic
24%
X-Ray Diffraction
23%
Crystallite
22%
Sol
20%
Antioxidant Agent
19%
Nitrate
16%
Ceramic
14%
Polycrystalline Solid
13%
Nanoparticle
13%
Yttrium Chloride
12%
Photoluminescence
12%
Fourier Transform Infrared Spectroscopy
11%
Bone Substitute
10%
Chelating Agent
9%
Oxide
9%
Ion
8%
Scintillation
8%
Emission Spectrum
8%
Size Effect
8%
Boron Nitride
8%
Impact Strength
8%
Free Radical
8%
Spectroscopy
7%
Microstructure
7%
Composite Material
7%
Hexagonal Space Group
7%
IR Spectroscopy
7%
Ethanol
7%
Raw Material
7%
Cerium
7%
Petroleum
6%
Esterification
6%
Solid State Reaction
6%
Purity
6%
Evaporation
6%
Antimicrobial Agent
6%
Red
6%
Glycerol
6%
Poly(propylene)
6%
Acid
6%
Chitosan
6%
Transmission Electron Microscopy
6%
X-Ray
6%
Crystallization Point
5%