Model no. | Model name | Parameters |
0 | None | None |
1 | barbell | (sld, solvent_sld, bell_radius, radius, length) |
2 | barbell_xy | (sld, solvent_sld, bell_radius, radius, length, theta, phi) |
3 | bcc_paracrystal | (dnn, d_factor, radius, sld, solvent_sld) |
4 | bcc_paracrystal_xy | (dnn, d_factor, radius, sld, solvent_sld, theta, phi, psi) |
5 | capped_cylinder | (sld, solvent_sld, radius, cap_radius, length) |
6 | capped_cylinder_xy | (sld, solvent_sld, radius, cap_radius, length, theta, phi) |
7 | core_shell_cylinder | (core_sld, shell_sld, solvent_sld, radius, thickness, length) |
8 | core_shell_cylinder_xy | (core_sld, shell_sld, solvent_sld, radius, thickness, length, theta, phi) |
9 | cylinder | (sld, solvent_sld, radius, length) |
10 | cylinder_xy | (sld, solvent_sld, radius, length, theta, phi) |
11 | dab | (length) |
12 | dab_xy | (length) |
13 | ellipsoid | (sld, solvent_sld, rpolar, requatorial) |
14 | ellipsoid_xy | (sld, solvent_sld, rpolar, requatorial, theta, phi) |
15 | fcc_paracrystal | (dnn, d_factor, radius, sld, solvent_sld) |
16 | fcc_paracrystal_xy | (dnn, d_factor, radius, sld, solvent_sld, theta, phi, psi) |
17 | flexible_cylinder_ex | (length, kuhn_length, radius, axis_ratio, sld, solvent_sld) |
18 | flexible_cylinder_ex_xy | (length, kuhn_length, radius, axis_ratio, sld, solvent_sld) |
19 | gaussian_peak | (q0, sigma) |
20 | gaussian_peak_xy | (q0, sigma) |
21 | guinier | (rg) |
22 | guinier_xy | (rg) |
23 | hardsphere | (effect_radius, volfraction) |
24 | hardsphere_xy | (effect_radius, volfraction) |
25 | HayterMSAsq | (effect_radius, zz, VolFrac, Temp, csalt, dialec) |
26 | HayterMSAsq_xy | (effect_radius, charge, volfraction, temperature, saltconc, dielectconst) |
27 | hollow_cylinder | (radius, core_radius, length, sld, solvent_sld) |
28 | hollow_cylinder_xy | (radius, core_radius, length, sld, solvent_sld, theta, phi) |
29 | lamellar | (sld, solvent_sld, thickness) |
30 | lamellar_xy | (sld, solvent_sld, thickness) |
31 | lamellar_FFHG | (tail_length, head_length, sld, head_sld, solvent_sld) |
32 | lamellar_FFHG_xy | (tail_length, head_length, sld, head_sld, solvent_sld) |
33 | lamellarCailleHG | (tail_length, head_length, Nlayers, dd, Cp, tail_sld, head_sld, solvent_sld) |
34 | lamellarCailleHG_xy | (tail_length, head_length, Nlayers, spacing, Caille_parameter, sld, head_sld, solvent_sld) |
35 | lamellarPC | (th, Nlayers, davg, pd, sld, solvent_sld) |
36 | lamellarPC_xy | (thickness, Nlayers, spacing, spacing_polydisp, sld, solvent_sld) |
37 | lamellarPS | (del, Nlayers, dd, Cp, sld, solvent_sld) |
38 | lamellarPS_xy | (thickness, Nlayers, spacing, Caille_parameter, sld, solvent_sld) |
39 | linear_pearls | (radius, edge_sep, num_pearls, pearl_sld, solvent_sld) |
40 | linear_pearls_xy | (radius, edge_sep, num_pearls, pearl_sld, solvent_sld) |
41 | lorentz | (cor_length) |
42 | lorentz_xy | (cor_length) |
43 | mass_fractal | (radius, mass_dim, cutoff_length) |
44 | mass_fractal_xy | (radius, mass_dim, cutoff_length) |
45 | mass_surface_fractal | (mass_dim, surface_dim, cluster_rg, primary_rg) |
46 | mass_surface_fractal_xy | (mass_dim, surface_dim, cluster_rg, primary_rg) |
47 | parallelepiped | (sld, solvent_sld, a_side, b_side, c_side) |
48 | parallelepiped_xy | (sld, solvent_sld, a_side, b_side, c_side, theta, phi, psi) |
49 | pearl_necklace | (radius, edge_separation, string_thickness, number_of_pearls, sld, string_sld, solvent_sld) |
50 | pearl_necklace_xy | (radius, edge_separation, string_thickness, number_of_pearls, sld, string_sld, solvent_sld) |
51 | sphere | (sld, solvent_sld, radius) |
52 | sphere_xy | (sld, solvent_sld, radius) |
53 | star_polymer | (radius2, arms) |
54 | star_polymer_xy | (radius2, arms) |
55 | stickyhardsphere | (effect_radius, volfraction, perturb, stickiness) |
56 | stickyhardsphere_xy | (effect_radius, volfraction, perturb, stickiness) |
57 | triaxial_ellipsoid | (sld, solvent_sld, req_minor, req_major, rpolar) |
58 | triaxial_ellipsoid_xy | (sld, solvent_sld, req_minor, req_major, rpolar, theta, phi, psi) |
sasmodels name |
Parameters |
Units |
Range |
barbell |
{ 4, 1, 40, 20, 400 } |
|
|
barbell_xy |
{ 4, 1, 40, 20, 400, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Barbell scattering length density |
4e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Spherical bell radius |
Ang |
[0, inf] |
|
Cylindrical bar radius |
Ang |
[0, inf] |
|
Cylinder bar length |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
bcc |
{ 220, 0.06, 40, 4, 1 } |
|
|
bcc_xy |
{ 220, 0.06, 40, 4, 1, 60, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Nearest neighbour distance |
Ang |
[-inf, inf] |
|
Paracrystal distortion factor |
|
[-inf, inf] |
|
Particle radius |
Ang |
[0, inf] |
|
Particle scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
capped_cylinder |
{ 4, 1, 20, 20, 400 } |
|
|
capped_cylinder_xy |
{ 4, 1, 20, 20, 400, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Cylinder scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Cylinder radius |
Ang |
[0, inf] |
|
Cap radius |
Ang |
[0, inf] |
|
Cylinder length |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
core_shell_cylinder |
{ 4, 4, 1, 20, 20, 400 } |
|
|
core_shell_cylinder_xy |
{ 4, 4, 1, 20, 20, 400, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Cylinder core scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Cylinder shell scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Cylinder core radius |
Ang |
[0, inf] |
|
Cylinder shell thickness |
Ang |
[0, inf] |
|
Cylinder length |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
cylinder |
{ 4, 1, 20, 400 } |
|
|
cylinder_xy |
{ 4, 1, 20, 400, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Cylinder scattering length density |
4e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Cylinder radius |
Ang |
[0, inf] |
|
Cylinder length |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
dab |
{ 50.0 } |
|
|
dab_xy |
{ 50.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
correlation length |
Ang |
[0, inf] |
|
|
|
|
ellipsoid |
{ 4, 1, 20, 400 } |
|
|
ellipsoid_xy |
{ 4, 1, 20, 400, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Ellipsoid scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Polar radius |
Ang |
[0, inf] |
|
Equatorial radius |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
fcc |
{ 220, 0.06, 40, 4, 1 } |
|
|
fcc_xy |
{ 220, 0.06, 40, 4, 1, 60, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Nearest neighbour distance |
Ang |
[-inf, inf] |
|
Paracrystal distortion factor |
|
[-inf, inf] |
|
Particle radius |
Ang |
[0, inf] |
|
Particle scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|
flexible_cylinder_ex |
{ 1000.0, 100.0, 20.0, 1.5, 1.0, 6.3 } |
|
|
flexible_cylinder_ex_xy |
{ 1000.0, 100.0, 20.0, 1.5, 1.0, 6.3 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Length of the flexible cylinder |
Ang |
[0, inf] |
|
Kuhn length of the flexible cylinder |
Ang |
[0, inf] |
|
Radius of the flexible cylinder |
Ang |
[0, inf] |
|
Axis_ratio (major_radius/radius |
|
[0, inf] |
|
Cylinder scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
gaussian_peak |
{ 0.05, 0.005 } |
|
|
gaussian_peak_xy |
{ 0.05, 0.005 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Peak position |
1/Ang |
[-inf, inf] |
|
Peak width (standard deviation) |
1/Ang |
[0, inf] |
|
|
|
|
guinier |
{ 60.0 } |
|
|
guinier_xy |
{ 60.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Radius of Gyration |
Ang |
[0, inf] |
|
|
|
|
hardsphere |
{ 50.0, 0.2 } |
|
|
hardsphere_xy |
{ 50.0, 0.2 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
effective radius of hard sphere |
Ang |
[0, inf] |
|
volume fraction of hard spheres |
|
[0, 0.74] |
|
|
|
|
HayterMSAsq |
{ 20.75, 19.0, 0.0192, 318.16, 0.0, 71.08 } |
|
|
HayterMSAsq_xy |
{ 20.75, 19.0, 0.0192, 318.16, 0.0, 71.08 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
effective radius of hard sphere |
Ang |
[0, inf] |
|
charge on sphere (in electrons) |
e |
[0, inf] |
|
volume fraction of spheres |
|
[0, 0.74] |
|
temperature, in Kelvin, for Debye length calculation |
K |
[0, inf] |
|
conc of salt, 1:1 electolyte, for Debye length |
M |
[-inf, inf] |
|
dielectric constant of solvent (default water), for Debye length |
|
[-inf, inf] |
|
|
|
|
hollow_cylinder |
{ 30.0, 20.0, 400.0, 6.3, 1 } |
|
|
hollow_cylinder_xy |
{ 30.0, 20.0, 400.0, 6.3, 1, 90, 0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Cylinder radius |
Ang |
[0, inf] |
|
Hollow core radius |
Ang |
[0, inf] |
|
Cylinder length |
Ang |
[0, inf] |
|
Cylinder sld |
1/Ang^2 |
[-inf, inf] |
|
Solvent sld |
1/Ang^2 |
[-inf, inf] |
|
Theta angle |
degrees |
[-360, 360] |
|
Phi angle |
degrees |
[-360, 360] |
|
|
|
|
lamellar |
{ 1, 6, 50 } |
|
|
lamellar_xy |
{ 1, 6, 50 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Layer scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Bilayer thickness |
Ang |
[0, inf] |
|
|
|
|
lamellarCaille |
{ 30.0, 20, 400.0, 0.1, 6.3, 1.0 } |
|
|
lamellarCaille_xy |
{ 30.0, 20, 400.0, 0.1, 6.3, 1.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
sheet thickness |
Ang |
[0, inf] |
|
Number of layers |
|
[0, inf] |
|
d-spacing of Caille S(Q) |
Ang |
[0.0, inf] |
|
Caille parameter |
1/Ang^2 |
[0.0, 0.8] |
|
layer scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
lamellarCailleHG |
{ 10, 2, 30, 40.0, 0.001, 0.4, 2.0, 6 } |
|
|
lamellarCailleHG_xy |
{ 10, 2, 30, 40.0, 0.001, 0.4, 2.0, 6 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Tail thickness |
Ang |
[0, inf] |
|
head thickness |
Ang |
[0, inf] |
|
Number of layers |
|
[0, inf] |
|
d-spacing of Caille S(Q) |
Ang |
[0.0, inf] |
|
Caille parameter |
|
[0.0, 0.8] |
|
Tail scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Head scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
lamellarFFHG |
{ 15, 10, 0.4, 3.0, 6 } |
|
|
lamellarFFHG_xy |
{ 15, 10, 0.4, 3.0, 6 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Tail thickness |
Ang |
[0, inf] |
|
head thickness |
Ang |
[0, inf] |
|
Tail scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Head scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
lamellarPC |
{ 33.0, 20, 250.0, 0.0, 1.0, 6.34 } |
|
|
lamellarPC_xy |
{ 33.0, 20, 250.0, 0.0, 1.0, 6.34 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
sheet thickness |
Ang |
[0, inf] |
|
Number of layers |
|
[0, inf] |
|
d-spacing of paracrystal stack |
Ang |
[0.0, inf] |
|
d-spacing polydispersity |
Ang |
[0.0, inf] |
|
layer scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
linear_pearls |
{ 80.0, 350.0, 3.0, 1.0, 6.3 } |
|
|
linear_pearls_xy |
{ 80.0, 350.0, 3.0, 1.0, 6.3 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Radius of the pearls |
Ang |
[0, inf] |
|
Length of the string segment - surface to surface |
Ang |
[0, inf] |
|
Number of the pearls |
|
[0, inf] |
|
SLD of the pearl spheres |
1e-6/Ang^2 |
[-inf, inf] |
|
SLD of the solvent |
1e-6/Ang^2 |
[-inf, inf] |
|
|
|
|
lorentz |
{ 50.0 } |
|
|
lorentz_xy |
{ 50.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Screening length |
Ang |
[0, inf] |
|
|
|
|
mass_fractal |
{ 10.0, 1.9, 100.0 } |
|
|
mass_fractal_xy |
{ 10.0, 1.9, 100.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Particle radius |
Ang |
[0.0, inf] |
|
Mass fractal dimension |
|
[1.0, 6.0] |
|
Cut-off length |
Ang |
[0.0, inf] |
|
|
|
|
mass_surface_fractal |
{ 1.8, 2.3, 86.7, 4000.0 } |
|
|
mass_surface_fractal_xy |
{ 1.8, 2.3, 86.7, 4000.0 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Mass fractal dimension |
|
[1e-16, 6.0] |
|
Surface fractal dimension |
|
[1e-16, 6.0] |
|
Cluster radius of gyration |
Ang |
[0.0, inf] |
|
Primary particle radius of gyration |
Ang |
[0.0, inf] |
|
|
|
|
parallelepiped |
{ 4, 1, 35, 75, 400 } |
|
|
parallelepiped_xy |
{ 4, 1, 35, 75, 400, 60, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Parallelepiped scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Shorter side of the parallelepiped |
Ang |
[0, inf] |
|
Second side of the parallelepiped |
Ang |
[0, inf] |
|
Larger side of the parallelepiped |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
Rotation angle around its own c axis against q plane |
degrees |
[-inf, inf] |
|
|
|
|
pearl_necklace |
{ 80.0, 350.0, 2.5, 3, 1.0, 1.0, 6.3 } |
|
|
pearl_necklace_xy |
{ 80.0, 350.0, 2.5, 3, 1.0, 1.0, 6.3 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Mean radius of the chained spheres |
Angstrom |
[0, inf] |
|
Mean separation of chained particles |
Angstrom |
[0, inf] |
|
Thickness of the chain linkage |
Angstrom |
[0, inf] |
|
Mean number of pearls in each necklace |
none |
[0, inf] |
|
Scattering length density of the chained spheres |
Angstrom^2 |
[-inf, inf] |
|
Scattering length density of the chain linkage |
Angstrom^2 |
[-inf, inf] |
|
Scattering length density of the solvent |
Angstrom^2 |
[-inf, inf] |
|
|
|
|
sphere |
{ 1, 6, 50 } |
|
|
sphere_xy |
{ 1, 6, 50 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Layer scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Sphere radius |
Ang |
[0, inf] |
|
|
|
|
star_polymer |
{ 100.0, 3 } |
|
|
star_polymer_xy |
{ 100.0, 3 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Ensemble radius of gyration squared of an arm |
Ang |
[0.0, inf] |
|
Number of arms in the model |
|
[1.0, 6.0] |
|
|
|
|
stickyhardsphere |
{ 50.0, 0.2, 0.05, 0.2 } |
|
|
stickyhardsphere_xy |
{ 50.0, 0.2, 0.05, 0.2 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
effective radius of hard sphere |
Ang |
[0, inf] |
|
volume fraction of hard spheres |
|
[0, 0.74] |
|
perturbation parameter, epsilon |
|
[0.01, 0.1] |
|
stickiness, tau |
|
[-inf, inf] |
|
|
|
|
triaxial_ellipsoid |
{ 4, 1, 20, 400, 10 } |
|
|
triaxial_ellipsoid_xy |
{ 4, 1, 20, 400, 10, 60, 60, 60 } |
|
|
|
|
|
|
|
Parameters: |
|
|
|
Ellipsoid scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Solvent scattering length density |
1e-6/Ang^2 |
[-inf, inf] |
|
Minor equitorial radius |
Ang |
[0, inf] |
|
Major equatorial radius |
Ang |
[0, inf] |
|
Polar radius |
Ang |
[0, inf] |
|
In plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
Out of plane angle |
degrees |
[-inf, inf] |
|
|
|
|