Engineering & Materials Science
Ionic conductivity
100%
Protons
79%
Electrolytes
64%
Fuel cells
59%
Doping (additives)
49%
Solid oxide fuel cells (SOFC)
47%
Ions
40%
Valence bands
39%
Conduction bands
37%
Oxygen
35%
Oxygen vacancies
34%
Coprecipitation
33%
Electrochemical properties
30%
Paramagnetic resonance
29%
Heterojunctions
28%
X ray photoelectron spectroscopy
26%
Oxide semiconductors
26%
Spectroscopy
24%
Freezing
24%
Structural properties
23%
Leakage currents
23%
Transmission electron microscopy
22%
Energy storage
19%
Oxides
18%
Scanning electron microscopy
17%
Costs
8%
Physics & Astronomy
fuel cells
76%
ion currents
67%
surface layers
57%
electrolytes
54%
solid oxide fuel cells
51%
protons
43%
oxides
27%
oxygen
26%
structural stability
25%
energy conversion
24%
energy storage
24%
oxygen ions
24%
freezing
22%
radiant flux density
19%
performance
19%
conduction bands
19%
leakage
18%
valence
16%
atmospheres
15%
conduction
14%
transmission electron microscopy
14%
scanning electron microscopy
14%
spectroscopy
11%
ions
10%
energy
6%
Chemical Compounds
Ionic Conductivity
61%
Proton
43%
Leakage Current
29%
Valence Band
24%
Oxide
23%
Conduction Band
23%
Surface
21%
Coprecipitation
19%
Energy Storage
18%
Semiconductor
16%
Monoclinic Space Group
16%
Spectroscopy
14%
Application
13%
UV/VIS Spectroscopy
13%
Dioxygen
10%
Energy
10%