Physics & Astronomy
troilite
100%
space weathering
99%
helium ions
69%
hydrogen ions
66%
ion irradiation
61%
solar wind
58%
sulfur
44%
depletion
30%
ions
27%
irradiation
22%
planetary surfaces
17%
regolith
16%
chemical effects
15%
surface roughness
9%
fluence
9%
photoelectron spectroscopy
9%
computerized simulation
9%
analogs
9%
helium
9%
sputtering
9%
atomic force microscopy
8%
oxidation
8%
scanning electron microscopy
7%
hydrogen
7%
estimates
6%
x rays
5%
Earth & Environmental Sciences
troilite
81%
solar wind
59%
irradiation
53%
weathering
47%
hydrogen
45%
ion
37%
sulfur
35%
X-ray spectroscopy
23%
planetary surface
15%
atomic force microscopy
13%
effect
13%
regolith
13%
computer simulation
11%
surface roughness
11%
scanning electron microscopy
8%
oxidation
7%
in situ
7%
exposure
6%
chemical
5%
material
4%
rate
3%
Chemical Compounds
Weathering
70%
Hydrogen
29%
Diffusion
24%
Ion
23%
Sputtering
21%
Surface Roughness
19%
Surface
18%
Atomic Force Microscopy
15%
Chemical Element
14%
X-Ray Photoelectron Spectroscopy
13%
Simulation
12%
Scanning Electron Microscopy
11%
Oxidation Reaction
8%
Reaction Yield
7%
Time
7%