In the following table you can find the electronic stopping power of H ions in atoms and compounds plotted versus the projectile energy. For each ion-target, you can download the graphs as images, the data as ascii files and the origin plots.
Some systems with only one or two sets of measurements have not been plotted yet although the data is included in the database. To get all the data on H ions, check out the list of data for H ions, and download all data for H ions. The reference codes are explained in the list of all data references, and the curve designations in the list of stopping power tables and programs. All the available ORIGIN files for H ions in this table can be downloaded here.
| Ions | Target | Graph | Files | Comments |
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H ions |
Acetylene |
C2H2 = Acetylene |
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H ions |
Ag |
At low energy, stopping is proportional to v, but at 1 keV, the proportionality constant changes (see Gö13) |
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H ions |
Air |
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H ions |
Al |
Post-1990 data in red. |
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H ions |
Al, versus v |
Electronic stopping is proportional to velocity at low velocities |
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H ions |
Al2O3 |
The large binding effect of this compound is not well described by Ziegler’s program |
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H ions |
Ar |
SRIM03 agrees well with the data. After including electron capture, SG11 agrees with data at the maximum. |
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H ions |
Au |
Around 70 sets of data separated in 3 groups. |
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H ions |
Au, versus v |
The measurements by Mk07 and Mk08 (similar to those by Fg07 for channeled ions) show a threshold effect at v = 0.19 v0. The theory byZeb12 shows a change of steepness there. |
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H ions |
B |
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H ions |
Be |
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H ions |
Bi |
Data by Kn80 added, SRIM follows the data, except Kt83b |
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H ions |
Br |
Excellent agreement between Ba84 and the SRIM03 curve for gaseous Br |
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H ions |
C amorphous |
SRIM03, ICRU49, Oja14 agree well with the data. The more recent CasP5.2 appear high around the stopping maximum, closer to OS84 and data by Me80, Ny78 and Jo71. |
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H ions |
C3H8 |
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H ions |
Ca |
Around the stopping maximum, the Ep94a data are higher than SRIM curve. |
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H ions |
CaF2 |
For this target SRIM2013 does not represent the experimental data. |
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H ions |
Cd |
Excellent agreement of SRIM03 with the scant data |
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H ions |
Ce |
The low Si72 data are apparently incorrect (see Kn80) |
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H ions |
Cs |
Only one set of data available |
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H ions |
CH4 |
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H ions |
C2H2 |
C2H2 = Acetylene |
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H ions |
Cl |
Excellent agreement between SRIM03 and the only data (Ba84) |
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H ions |
Co |
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H ions |
CO2 |
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H ions |
Cr |
Good agreement of SRIM with all the data |
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H ions |
Cu |
The Md53, Gt62 and No75 data appear to be too low. |
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H ions |
Cu, versus v |
Data since 1990 in different colour |
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H ions |
Diamond |
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H ions |
Dy |
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H ions |
Ethylene |
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H ions |
Er |
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H ions |
Er2O3 |
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H ions |
Fe |
Clear experimental discrepancy around the maximum |
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H ions |
Formvar |
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H ions |
Ga |
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H ions |
GaAs |
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H ions |
GaSb |
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H ions |
Gd |
Around the maximum, ICRU49 in good agreement with recent data (Ro16), SRIM13 and previous data (Kn80, Si84) below them. |
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H ions |
Ge, versus v |
There is a clear threshold velocity |
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H ions |
Ge |
Discrepancy especially between Me82a and Ep92. Mertens data before 1986 tend to be generally high. |
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H ions |
Graphite |
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H ions |
Graphite Oxide |
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H ions |
H2 |
SRIM13 and J82 (ADNDT82) are good, different at low energies. The Cr42 data are too low |
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H ions |
H2O Phase effect (solid, liquid, gas) |
The ICRU and SRIM03 curves agree with the vapor data. The gas-solid difference of ICRU ( 13%) is close to the experimental value. The phase effect is not clear around the maximum. More data is needed, mainly for liquid water. Biological applications! |
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H ions |
H2O vapor |
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H ions |
H2O solid and liquid |
First measurements of stopping power of liquid water for protons! only at high energies. |
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H ions |
H2O liq. rel. |
Relative graph shows discrepancies |
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H ions |
Havar |
Excellent agreement of the data with each other and with SRIM03 |
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H ions |
He |
The two measurements Gl91 and RG01, though in mutual conflict, show a very strong threshold effect. At low energy, ICRU49 is too high (velocity proportional!). The theories GS93, Kim93 and Oliv94 support the Gl91 data, but not RG01. The Cab00 theory appears to support RG01, but it is too low. |
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H ions |
Hf |
Theoretical discrepancy around the maximum and below. No data in this energy region. |
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H ions |
HfO2 |
Recent measurements (Ro17) extend the low energy limit down to 0.8 keV. |
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H ions |
Ho |
Only one set of data at high energies |
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H ions |
Hydroxy apatite |
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H ions |
In |
Excellent agreement of SRIM03 with the data |
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H ions |
Ir |
Excellent agreement of SRIM13 with the data |
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H ions |
Kapton (Polyimide) |
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H ions |
KCl |
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H ions |
KCl, versus v |
The new Mk09 data show an extrapolated threshold |
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H ions |
Kr |
SG11 agrees with data at the maximum, due to inclusion of electron capture |
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H ions |
La |
Only 3 sets of data (Kn80, Kt83, Si84). No data below 20 keV. |
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H ions |
Li |
Only one set of data (Ep95) around the maximum. No data below 10 keV. Large differences among theoretical curves. |
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H ions |
LiF |
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H ions |
LiF, versus v |
The new Mk09 data show a stopping power threshold at v = 0.1 a.u. (250 eV/u) |
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H ions |
LiNbO3 |
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H ions |
LR-115 |
Cellulose Nitrate Nuclear Track Detector |
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H ions |
Lu |
Good agreement of SRIM13 with the data |
H ions |
Methane |
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H ions |
Mg |
The large gas-solid difference found by Bauer is not described by SRIM |
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H ions |
Mn |
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H ions |
Mo |
SRIM describes the data, except Iz80 (stopping maximum) |
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H ions |
Mylar |
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H ions |
N2 |
The low points due to B82a are for solid N2 |
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H ions |
Nb |
The Bh73 data appear too low compared to Si84, Bi86, and SRIM03 is too high |
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H ions |
Nd |
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H ions |
Ne |
CasP5.0 is too low, but SG11 agrees with data at the maximum, due to inclusion of electron capture |
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H ions |
Ni |
The most recent data (in colour) follows a clear tendency. New measurements are needed around the maximum |
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H ions |
NiSi |
Good agrement of recent data with SRIM13 (Bragg rule) |
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H ions |
O2 |
Excellent agreement between all data and SRIM |
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H ions |
Pb |
At low energy, the Ep92 data look unusual, but the Mont09a curve is close to them. |
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H ions |
Pd |
Recent data Mor20 below SRIM at the stopping maximum |
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H ions |
Polycarbonate |
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H ions |
Polyethylene |
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H ions |
Polypropylene |
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H ions |
Polystyrene |
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H ions |
Polyvinyltoluene |
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H ions |
Propylene |
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H ions |
Pt |
ICRU49 agrees with the most recent data. |
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H ions |
Pt, versus v |
At low energy, stopping is proportional to velocity (Gö13, Cel15) |
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H ions |
Re |
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H ions |
Rh |
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H ions |
Rb |
SRIM03 agrees very well with Ep94b; earlier curves are too low |
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H ions |
Sb |
Excellent agreement of SRIM03 with the data |
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H ions |
Sc |
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H ions |
Se |
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H ions |
Si |
Little dispersion among post-1990 data (in colour in the figure). |
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H ions |
Si versus v |
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H ions |
SiC |
Data by Lns14 are the only ones around the stopping maximum. Good agreement with the theoretical curve HA05a, but not with SRIM2013. |
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H ions |
SiO2 |
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H ions |
SiO2, versus v |
The Mk09a data show a threshold at low velocity |
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H ions |
Sn |
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H ions |
Sr |
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H ions |
SrTiO3 |
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H ions |
Ta |
The Si72 data at high energies is too low. Recent data at low energies and around the maximum clearly differs from SRIM |
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H ions |
Ta, versus v |
Data by Ro17 show different tendency at low energies. Is the density of free electron gas higher than expected? |
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H ions |
Ta2O5 |
SRIM nicely describes the low energy data (Ro17), the first values reported for this system |
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H ions |
Tb |
Recent data (Bro16) agree well with SRIM13 around the maximum. |
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H ions |
Ti |
Recent data (Bro16) agree well with SRIM13 around the maximum. |
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H ions |
TiN |
SRIM13 with and without compound correction included, also DFT values in Sor17 (low energies) |
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H ions |
TiO2 |
The new data by Bro16 covers the stopping maximum. Differences with SRIM (Bragg rule) and good agreement with SLPA and MELF-GOS considering the molecular target (in Li14) |
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H ions |
U |
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H ions |
V |
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H ions |
VO2 |
Only one set of data (Ro17). The agreement of SRIM is good for energies 3-10 keV |
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H ions |
W |
Excellent agreement of SRIM with the data |
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H ions |
Xe |
Excellent agreement of SRIM03 with the data; ICRU49 fits less well at 2 MeV |
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H ions |
Y |
At the maximum, all the curves are below the data |
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H ions |
Yb |
The low Si72 data are apparently incorrect (see Kn80) |
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H ions |
Zn |
The large gas-solid difference found by Bauer et al is not described by Ziegler’s SRIM code |
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H ions |
Zn, versus v |
Low energy figure and data |
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H ions |
ZnO |
SRIM and the theoretical models CasP5.2 and SLPA disagree around the stopping maximum. No available data in this region. SRIM overestimates the low energy data (Ro17) |
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H ions |
ZnSiP2 |
Only one set of data (Kh84), very good agreement of SRIM13 |
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H ions |
Zr |
Excellent agreement between SRIM an the scant data |