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MEIS
RBS
NRA/P
ERBS
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Open
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PowerMEIS Guide
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Algorithm
Calculation
Output
Beam
Detector
Graph
Number of interactions (nI)
Integration step (dr)
Å
Voxel size (dL)
Å
Integration method
Default MC
Connected trajectories
Multiple Scattering
Yes
No
Direct mode
Yes
No
Maximum trajectory distance
Å
Minimum connection angle
°
Maximum Cross Section
(dσ/dΩ) / σ
total
ΔE at connection
keV
Line Shape
Gaussian
Exp. Mod. Gauss.
Cross Section
Rutherford
Corrected
Energy Stopping
Off
SRIM
Energy Straggling
Off
Bohr
Lindhard
Chu
Yang
Charge Neutralization
Off
Marion
CasP
Dielectric Function
Off
Lindhard
Mermin
ELF δE
eV
ELF ω
max
eV
ELF q
max
ℏ/a
0
Projectile
Ion
Molecule
Particles x sr
Atomic number (Z)
Atomic mass (M)
amu
Beam energy (E
0
)
keV
Minimum energy (E
min
)
keV
Maximum energy (E
max
)
keV
Incidence angle (θ
inc
)
°
Coul. Expl. linear factor (γ)
Coul. Expl. non-linear factor (α)
Energy stopping ratio (dE/dx)
Detector type
Electrostatic
Time of Flight
Magnetic
Energy resolution FWHM (δE)
eV
Scattering angle (Θ)
°
Angular width (ΔΘ)
°
TOF length (L)
m
Time resolution (δt)
ns
Out of plane angle (α)
°
Out of plane angular width (Δα)
°
Histogram mode
Simple
Elements
Compounds
Energy channel width (dE)
keV
Angular channel width (dθ)
°
Minimum energy (E
min
)
keV
Maximum energy (E
max
)
keV
Spectrum type
1D Energy
1D Energy Loss
2D Energy/Angle
Normalization
Minimize
χ
2
red
(
to
keV )
{{prmt['output'].chi2red}}
Calculate
Upload experimental
File name
{{prmt['expdata_s_1'].file}}
Energy channels
E = Channel ×
+
Elements
Compounds
Matrices
Layers
#
Name
Z
M (amu)
{{iEl_str}}
✖
Additional Parameters
σ
0
eV
Additional Parameters
E
kin
eV
Nuclear Ressonance
E
r
keV
ΔE
r
keV
Add Element
#
Name
Density (g/cm³)
{{iCp_str}}
✖
Element
Stoichiometry
{{prmt['element_s_'+iEl_str].name}}
No elements added!
Inelastic energy loss correction
dω²/dx ratio
dE/dx ratio
#
A
ω (eV)
Γ (eV)
{{iPl_str}}
✖
Add Plasmon
Add Compound
#
Upload
File
{{iMt_str}}
{{prmt['matrix_s_'+iMt_str].file}}
✖
Dimensions and orientation
n
x
n
y
n
z
φ
Matrix generation script
Name
Attributes
Add Matrix
#
Thickness (Å)
Compound
Surface
{{iLa_str}}
✖
Matrix file
Fraction
{{prmt['matrix_s_'+iMt_str].file}}
No matrices added!
Boundary conditions
Per. Contour
Yes
No
Per. Position
Yes
No
Bulk
Add Layer