コード例 #1
0
def getSample():
    # Defining Materials
    material_1 = ba.HomogeneousMaterial("Air", 0.0, 0.0)
    material_3 = ba.HomogeneousMaterial("Si", 7.6e-06, 1.7e-07)
    material_2 = ba.HomogeneousMaterial("Polymer", 1.99999999995e-06, 1.3e-08)

    # Defining Layers
    layer_1 = ba.Layer(material_1)
    layer_2 = ba.Layer(material_2, 50)
    layer_3 = ba.Layer(material_3)

    # Defining Form Factors
    formFactor_1 = ba.FormFactorBox(20.0 * nm, 20.0 * nm, 10.0 * nm)

    # Defining Particles
    particle_1 = ba.Particle(material_3, formFactor_1)
    # particle_1_rotationY = ba.RotationY(180.0 * deg)
    # particle_1.setRotation(particle_1_rotationY)
    # particle_1_rotationZ = ba.RotationZ(30.0 * deg)
    # particle_1.applyRotation(particle_1_rotationZ)
    particle_1_rotation = ba.RotationEuler(-90.0 * deg, 180.0 * deg,
                                           120.0 * deg)
    particle_1.setRotation(particle_1_rotation)
    particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, -40.0 * nm)
    particle_1.setPosition(particle_1_position)

    # Defining Particle Layouts and adding Particles
    layout_1 = ba.ParticleLayout()
    layout_1.addParticle(particle_1, 1.0)
    layout_1.setTotalParticleSurfaceDensity(1)

    # Adding layouts to layers
    layer_2.addLayout(layout_1)

    # Defining Multilayers
    multiLayer_1 = ba.MultiLayer()
    multiLayer_1.addLayer(layer_1)
    multiLayer_1.addLayer(layer_2)
    multiLayer_1.addLayer(layer_3)
    return multiLayer_1
コード例 #2
0
    def create_diffuse_layout(self):
        layout = ba.ParticleLayout()
        radius = 5.0
        nparticles = 100
        sigma = 0.3 * radius
        gauss_distr = ba.DistributionGaussian(radius, sigma)

        particle = ba.Particle(self.m_adapted_particle_material,
                               ba.FormFactorFullSphere(radius))

        sigma_factor = 2.0
        par_distr = ba.ParameterDistribution("/Particle/FullSphere/Radius",
                                             gauss_distr, nparticles,
                                             sigma_factor)
        part_coll = ba.ParticleDistribution(particle, par_distr)
        layout.addParticle(
            part_coll, 1.0,
            ba.kvector_t(
                0, 0, -self.m_average_layer_thickness + self.m_meso_elevation))

        layout.setTotalParticleSurfaceDensity(0.005)
        return layout
コード例 #3
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def get_sample():
    # Defining Materials
    m_air = ba.HomogeneousMaterial("Air", 0.0, 0.0)
    m_substrate = ba.HomogeneousMaterial("Substrate", 6e-06, 2e-08)

    # Defining Layers
    air = ba.Layer(m_air)
    substrate = ba.Layer(m_substrate)

    # Defining Particle Layouts and adding Particles
    layout = ba.ParticleLayout()
    layout.addParticle(get_vertical_lamellar(), 1.0, ba.kvector_t(0.0, 0.0, 10.0))
    layout.setTotalParticleSurfaceDensity(1e-4)

    # Adding layouts to layers
    air.addLayout(layout)

    # Defining Multilayer
    multiLayer = ba.MultiLayer()
    multiLayer.addLayer(air)
    multiLayer.addLayer(substrate)
    return multiLayer
コード例 #4
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def get_sample():
    """
    Defines sample and returns it
    """

    # creating materials
    m_ambient = ba.MaterialBySLD("Ambient", 0.0, 0.0)
    m_layer_mat = ba.MaterialBySLD("Layer", 1e-4, 1e-8,
                                   ba.kvector_t(0.0, 1e8, 0.0))
    m_substrate = ba.MaterialBySLD("Substrate", 7e-5, 2e-6)

    # creating layers
    ambient_layer = ba.Layer(m_ambient)
    layer = ba.Layer(m_layer_mat, 10)
    substrate_layer = ba.Layer(m_substrate)

    # creating multilayer
    multi_layer = ba.MultiLayer()
    multi_layer.addLayer(ambient_layer)
    multi_layer.addLayer(layer)
    multi_layer.addLayer(substrate_layer)

    return multi_layer
コード例 #5
0
ファイル: Cap1_int5+06.py プロジェクト: mganeva/nanowhiskers
    def get_sample():
        # Defining Materials
        material_1 = ba.HomogeneousMaterial("Air", 0.0, 0.0)
        material_2 = ba.HomogeneousMaterial("Au", 3.53665637e-05, 2.9383311e-06)
        material_3 = ba.HomogeneousMaterial("Si", 5.73327e-06, 1.006366e-07)

        # Defining Layers
        layer_1 = ba.Layer(material_1)
        layer_2 = ba.Layer(material_3)

        # Defining Form Factors
        formFactor_1 = ba.FormFactorTruncatedSphere(159.0 * nm, 244.0 * nm, 0.0 * nm)

        # Defining Particles
        particle_1 = ba.Particle(material_2, formFactor_1)
        particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, 333.0 * nm)
        particle_1.setPosition(particle_1_position)

        # Defining composition of particles at specific positions
        particleComposition_1 = ba.ParticleComposition()
        particleComposition_1.addParticle(particle_1)
        particleComposition_1_rotation = ba.RotationZ(j * deg)
        particleComposition_1.setRotation(particleComposition_1_rotation)

        # Defining Particle Layouts and adding Particles
        layout_1 = ba.ParticleLayout()
        layout_1.addParticle(particleComposition_1, 1.0)
        layout_1.setTotalParticleSurfaceDensity(0.001)

        # Adding layouts to layers
        layer_1.addLayout(layout_1)

        # Defining Multilayers
        multiLayer_1 = ba.MultiLayer()
        multiLayer_1.addLayer(layer_1)
        multiLayer_1.addLayer(layer_2)
        return multiLayer_1
コード例 #6
0
def get_sample(lattice_rotation_angle=45*deg):
    """
    Returns a sample with a grating on a substrate,
    modelled by very long boxes forming a 1D lattice with Cauchy correlations.
    """
    # defining materials
    m_ambience = ba.HomogeneousMaterial("Air", 0.0, 0.0)
    m_substrate = ba.HomogeneousMaterial("Substrate", 6e-6, 2e-8)
    m_particle = ba.HomogeneousMaterial("Particle", 6e-4, 2e-8)

    box_length, box_width, box_height = 10*nm, 10000*nm, 10*nm
    lattice_length = 30*nm

    # collection of particles
    interference = ba.InterferenceFunction1DLattice(
        lattice_length, lattice_rotation_angle)
    pdf = ba.FTDecayFunction1DCauchy(1000.0)
    interference.setDecayFunction(pdf)

    box_ff = ba.FormFactorBox(box_length, box_width, box_height)
    box = ba.Particle(m_particle, box_ff)

    particle_layout = ba.ParticleLayout()
    particle_layout.addParticle(
        box, 1.0, ba.kvector_t(0.0, 0.0, 0.0), ba.RotationZ(lattice_rotation_angle))
    particle_layout.setInterferenceFunction(interference)

    # assembling the sample
    air_layer = ba.Layer(m_ambience)
    air_layer.addLayout(particle_layout)
    substrate_layer = ba.Layer(m_substrate)

    multi_layer = ba.MultiLayer()
    multi_layer.addLayer(air_layer)
    multi_layer.addLayer(substrate_layer)
    return multi_layer
コード例 #7
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def runSimulation():
    # defining materials
    mAmbience = ba.HomogeneousMaterial("Vacuum", 0.0, 0.0)
    mSubstrate = ba.HomogeneousMaterial("Substrate", 6e-6, 2e-8)

    magnetic_field = ba.kvector_t(0, 0, 0)

    magParticle = ba.HomogeneousMaterial("magParticle", 6e-4, 2e-8,
                                         magnetic_field)
    # collection of particles
    cylinder_ff = ba.FormFactorCylinder(5 * nanometer, 5 * nanometer)
    cylinder = ba.Particle(magParticle, cylinder_ff)

    particle_layout = ba.ParticleLayout()
    particle_layout.addParticle(cylinder, 1.0)
    interference = ba.InterferenceFunctionNone()
    particle_layout.setInterferenceFunction(interference)

    # vacuum layer with particles and substrate form multi layer
    vacuum_layer = ba.Layer(mAmbience)
    vacuum_layer.addLayout(particle_layout)
    substrate_layer = ba.Layer(mSubstrate, 0)
    multi_layer = ba.MultiLayer()
    multi_layer.addLayer(vacuum_layer)
    multi_layer.addLayer(substrate_layer)

    # build and run experiment
    simulation = ba.GISASSimulation()
    simulation.setDetectorParameters(100, 0 * degree, 2.0 * degree, 100,
                                     0.0 * degree, 2.0 * degree)
    simulation.setBeamParameters(1.0 * angstrom, 0.2 * degree, 0.0 * degree)
    simulation.setSample(multi_layer)
    simulation.setBeamIntensity(1e2)
    simulation.runSimulation()
    ## intensity data
    return simulation.result()
コード例 #8
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def get_sample():
    """
    Returns a sample
    """
    # defining materials
    m_si = ba.MaterialBySLD("Si", sld_Si, sld_Si_im)
    m_d2o = ba.MaterialBySLD("D2O", sld_D2O, sld_D2O_im)
    m_core = ba.MaterialBySLD("Me3O5:D2O2", 2.0 * 1.0e-06, 0.0)
    m_shell = ba.MaterialBySLD("Me3O5:D2O", 3.9 * 1.0e-06, 0.0)

    # layer with particles
    # calculate average SLD
    Vcore = vol(core_radius, core_height)
    Vshell = vol(radius, height) - Vcore
    f_d2o = 0.7
    f_core = (1.0 - f_d2o) / (1 + Vshell / Vcore)
    f_shell = (1.0 - f_d2o) / (1 + Vcore / Vshell)
    sld_mix = f_d2o * sld_D2O + f_shell * 3.9 * 1.0e-06 + f_core * 2.0 * 1.0e-06
    m_mix = ba.MaterialBySLD("mix", sld_mix, 0.0)

    # fluctuation component
    ff_microgel = FormFactorMicrogel(b, xi, xiz)
    microgel = ba.Particle(m_core, ff_microgel)
    microgel_layout = ba.ParticleLayout()
    microgel_layout.addParticle(microgel, 1.0)

    # collection of particles
    ff = ba.FormFactorTruncatedSphere(radius=radius, height=height)
    ff_core = ba.FormFactorTruncatedSphere(radius=core_radius,
                                           height=core_height)
    transform = ba.RotationY(180.0 * deg)
    shell_particle = ba.Particle(m_shell, ff)
    core_particle = ba.Particle(m_core, ff_core)
    core_position = ba.kvector_t(0.0, 0.0, 0.0)
    particle = ba.ParticleCoreShell(shell_particle, core_particle,
                                    core_position)
    particle.setPosition(ba.kvector_t(0.0, 0.0, 0.0))
    particle.setRotation(transform)

    nparticles = 2  # the larger is this number, the more slow will be the simulation. 10 is usually enough
    sigma = 0.2 * radius

    gauss_distr = ba.DistributionGaussian(radius, sigma)

    sigma_factor = 2.0
    par_distr = ba.ParameterDistribution(
        "/ParticleCoreShell/Particle1/TruncatedSphere/Radius",
        gauss_distr, nparticles, sigma_factor,
        ba.RealLimits.lowerLimited(core_radius + 1.0))
    par_distr.linkParameter(
        "/ParticleCoreShell/Particle1/TruncatedSphere/Height")
    par_distr.linkParameter(
        "/ParticleCoreShell/Particle0/TruncatedSphere/Height")
    par_distr.linkParameter(
        "/ParticleCoreShell/Particle0/TruncatedSphere/Radius")
    part_coll = ba.ParticleDistribution(particle, par_distr)

    microgel_layout.addParticle(part_coll, 1.2e-05)

    # interference can be neglected
    interference = ba.InterferenceFunctionNone()
    microgel_layout.setInterferenceFunction(interference)

    # describe layer roughness
    roughness = ba.LayerRoughness()
    roughness.setSigma(1.2 * ba.nm)
    roughness.setHurstParameter(0.8)
    roughness.setLatteralCorrLength(570.0 * ba.nm)

    # create layers
    d2o_layer = ba.Layer(m_d2o)
    mix_layer = ba.Layer(m_mix, 2.0 * height)
    mix_layer.addLayout(microgel_layout)
    si_layer = ba.Layer(m_si)
    multi_layer = ba.MultiLayer()
    multi_layer.addLayer(si_layer)
    multi_layer.addLayer(mix_layer)
    multi_layer.addLayerWithTopRoughness(d2o_layer, roughness)

    return multi_layer
コード例 #9
0
"""
Simulation demo: magnetic spheres in substrate
"""
import bornagain as ba
from bornagain import deg, angstrom, nm


# Magnetization of the particle's material (A/m)
magnetization_particle = ba.kvector_t(0.0, 0.0, 1e7)


def get_sample():
    """
    Returns a sample with magnetic spheres in the substrate.
    """
    # defining materials
    particle_material = ba.HomogeneousMaterial("Particle", 2e-5, 4e-7,
                                               magnetization_particle)
    air_material = ba.HomogeneousMaterial("Air", 0.0, 0.0)
    substrate_material = ba.HomogeneousMaterial("Substrate", 7e-6, 1.8e-7)

    # spherical magnetic particle
    sphere_ff = ba.FormFactorFullSphere(5*nm)
    sphere = ba.Particle(particle_material, sphere_ff)
    position = ba.kvector_t(0.0, 0.0, -10.0*nm)
    particle_layout = ba.ParticleLayout()
    particle_layout.addParticle(sphere, 1.0, position)

    # defining layers
    air_layer = ba.Layer(air_material)
    substrate_layer = ba.Layer(substrate_material)
コード例 #10
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    plt.figure()
    for d, l in zip(data, labels):
        plt.semilogy(axis, d, label=l, linewidth=1)

    plt.legend(loc='upper right')
    plt.gca().yaxis.set_ticks_position('both')
    plt.gca().xaxis.set_ticks_position('both')

    plt.xlabel(r"$\alpha_i$ [deg]")
    plt.ylabel("Reflectivity")

    plt.tight_layout()


if __name__ == '__main__':
    q, results_pp = run_simulation(ba.kvector_t(0, 1, 0),
                                   ba.kvector_t(0, 1, 0))
    q, results_mm = run_simulation(ba.kvector_t(0, -1, 0),
                                   ba.kvector_t(0, -1, 0))

    q, results_pm = run_simulation(ba.kvector_t(0, 1, 0),
                                   ba.kvector_t(0, -1, 0))
    q, results_mp = run_simulation(ba.kvector_t(0, -1, 0),
                                   ba.kvector_t(0, 1, 0))

    r_plus = results_pp + results_pm
    r_minus = results_mm + results_mp
    plot(q, [r_plus, r_minus], ["$+$", "$-$"])

    # same result, but need half the computational time
    q, results_p = run_simulation(ba.kvector_t(0, 1, 0))
"""
import numpy
import matplotlib.pyplot as plt
    
import bornagain as ba
from bornagain import deg, angstrom


sldFe  = (8.0241e-06, 6.0448e-10)
sldPd  = (4.0099e-6,  1.3019e-09)
sldMgO = (5.9803e-06, 9.3996e-12)

magnetizationMagnitude = 1.6e6
angle                  = 0
magnetizationVector    = ba.kvector_t(
                    magnetizationMagnitude * numpy.sin(angle * deg), 
                    magnetizationMagnitude * numpy.cos(angle * deg), 
                    0)


def get_sample(*, magnetization=magnetizationVector):
    """
    Define sample and returns it
    """

    # create materials
    mat_vacuum    = ba.MaterialBySLD("Vacuum", 0.0, 0.0)
    mat_Pd        = ba.MaterialBySLD("Pd", *sldPd)
    mat_Fe        = ba.MaterialBySLD("Fe", *sldFe, 
                                      magnetizationVector)
    mat_substrate = ba.MaterialBySLD("MgO", *sldMgO)
コード例 #12
0
    def get_sample():
        # Defining Materials
        material_1 = ba.HomogeneousMaterial("example01_Air", 0.0, 0.0)
        material_2 = ba.HomogeneousMaterial("Si", 5.73327e-06, 1.006366e-07)

        # Defining Layers
        layer_1 = ba.Layer(material_1)
        layer_2 = ba.Layer(material_2)

        # Defining Form Factors
        formFactor_1 = ba.FormFactorCone6(159.0 * nm, 10.0 * nm, 78.0 * deg)
        formFactor_2 = ba.FormFactorCone6(159.0 * nm, 5.0 * nm, 66.0 * deg)
        formFactor_3 = ba.FormFactorPrism6(159.0 * nm, 300.0 * nm)

        particleComposition_11 = ba.ParticleComposition()

        for i in range(nslices):
            z = i * 15.0 * nm
            y = z + 15.0 * nm

            # Defining Particles
            particle_1 = ba.Particle(material_2, formFactor_1)
            particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, z * nm)
            particle_1.setPosition(particle_1_position)

            particle_2 = ba.Particle(material_2, formFactor_2)
            particle_2_rotation = ba.RotationY(180.0 * deg)
            particle_2.setRotation(particle_2_rotation)
            particle_2_position = kvector_t(0.0 * nm, 0.0 * nm, y * nm)
            particle_2.setPosition(particle_2_position)

            particleComposition_11.addParticle(particle_1)
            particleComposition_11.addParticle(particle_2)

        particleComposition_11_rotation = ba.RotationZ(j * deg)
        particleComposition_11.setRotation(particleComposition_11_rotation)

        particle_3 = ba.Particle(material_2, formFactor_3)
        particle_3_rotation = ba.RotationY(30.0 * deg)
        particle_3.setRotation(particle_3_rotation)
        particle_3_position = kvector_t(0.0 * nm, 0.0 * nm, 79.5 * nm)
        particle_3.setPosition(particle_3_position)

        z1 = j
        z2 = j + 120
        z3 = j + 240

        particleComposition_1 = ba.ParticleComposition()
        particleComposition_1.addParticle(particle_3)
        particleComposition_1_rotation = ba.RotationZ(z1 * deg)
        particleComposition_1.setRotation(particleComposition_1_rotation)
        particleComposition_2 = ba.ParticleComposition()
        particleComposition_2.addParticle(particle_3)
        particleComposition_2_rotation = ba.RotationZ(z2 * deg)
        particleComposition_2.setRotation(particleComposition_2_rotation)
        particleComposition_3 = ba.ParticleComposition()
        particleComposition_3.addParticle(particle_3)
        particleComposition_3_rotation = ba.RotationZ(z3 * deg)
        particleComposition_3.setRotation(particleComposition_3_rotation)

        # Defining Particle Layouts and adding Particles
        layout_1 = ba.ParticleLayout()
        layout_1.addParticle(particleComposition_11, 0.7)
        layout_1.addParticle(particleComposition_1, 0.1)
        layout_1.addParticle(particleComposition_2, 0.1)
        layout_1.addParticle(particleComposition_3, 0.1)
        layout_1.setTotalParticleSurfaceDensity(0.001)

        # Adding layouts to layers
        layer_1.addLayout(layout_1)

        # Defining Multilayers
        multiLayer_1 = ba.MultiLayer()
        multiLayer_1.addLayer(layer_1)
        multiLayer_1.addLayer(layer_2)
        return multiLayer_1
コード例 #13
0
"""
Simple example demonstrating how polarized SANS experiments can be
simulated with BornAgain.
"""

import bornagain as ba
from bornagain import deg, nm, kvector_t

# Magnetization of the particle's core material (A/m)
magnetization_core = kvector_t(0.0, 0.0, 1e7)


def get_sample():
    """
    Returns a sample with a magnetic core-shell particle in a solvent.
    """
    # Defining Materials
    mat_solvent = ba.HomogeneousMaterial("Solvent", 5e-6, 0.0)
    mat_core = ba.HomogeneousMaterial("Core", 6e-6, 2e-8,
                                      magnetization_core)
    mat_shell = ba.HomogeneousMaterial("Shell", 1e-7, 2e-8)

    # Defining Layer
    solvent_layer = ba.Layer(mat_solvent)

    # Defining particle layout with a core-shell particle
    layout = ba.ParticleLayout()
    core_sphere_ff = ba.FormFactorFullSphere(10*nm)
    shell_sphere_ff = ba.FormFactorFullSphere(12*nm)
    core = ba.Particle(mat_core, core_sphere_ff)
    shell = ba.Particle(mat_shell, shell_sphere_ff)
コード例 #14
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    Runs simulation and returns its result.
    """
    sample = get_sample()
    simulation = get_simulation()

    # adding polarization and analyzer operator
    simulation.setBeamPolarization(polarization)
    simulation.setAnalyzerProperties(analyzer, 1.0, 0.5)

    simulation.setSample(sample)
    simulation.runSimulation()
    return simulation.result()


def plot(pp, mm):
    from matplotlib import pyplot as plt

    ba.plot_simulation_result(pp, postpone_show=True)
    plt.semilogy(mm.axis(), mm.array())
    plt.legend(['Up-Up', 'Down-Down'], loc='upper right')

    plt.show()


if __name__ == '__main__':
    results_pp = run_simulation(ba.kvector_t(0.0, 1.0, 0.0),
                                ba.kvector_t(0.0, 1.0, 0.0))
    results_mm = run_simulation(ba.kvector_t(0.0, -1.0, 0.0),
                                ba.kvector_t(0.0, -1.0, 0.0))
    plot(results_pp, results_mm)
コード例 #15
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    def get_sample():
        # Defining Materials
        material_1 = ba.HomogeneousMaterial("example01_Air", 0.0, 0.0)
        material_2 = ba.HomogeneousMaterial("Si", 5.73327e-06, 1.006366e-07)

        # Defining Layers
        layer_1 = ba.Layer(material_1)
        layer_2 = ba.Layer(material_2)

        particleComposition_1 = ba.ParticleComposition()

        for i in range(nslices_1):
            r = 159
            z = i * 15 * nm
            y = z + 15 * nm

            # Defining Form Factors
            formFactor_1 = ba.FormFactorCone6(r, 5.0 * nm, 68.0 * deg)
            formFactor_2 = ba.FormFactorCone6(r, 10.0 * nm, 78.0 * deg)

            # Defining Particles
            particle_1 = ba.Particle(material_2, formFactor_1)
            particle_1_rotation = ba.RotationY(180.0 * deg)
            particle_1.setRotation(particle_1_rotation)
            particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, y * nm)
            particle_1.setPosition(particle_1_position)
            particle_2 = ba.Particle(material_2, formFactor_2)
            particle_2_position = kvector_t(0.0 * nm, 0.0 * nm, z * nm)
            particle_2.setPosition(particle_2_position)

            # Defining composition of particles at specific positions

            particleComposition_1.addParticle(particle_1)
            particleComposition_1.addParticle(particle_2)

        for i in range(nslices_2):
            r = 159 * nm - i * 2
            z = i * 15 * nm
            z2 = z + nslices_1 * 15 * nm
            y = z + 15 * nm
            y2 = y + +nslices_1 * 15 * nm

            # Defining Form Factors
            formFactor_1 = ba.FormFactorCone6(r, 5.0 * nm, 68.0 * deg)
            formFactor_2 = ba.FormFactorCone6(r, 10.0 * nm, 78.0 * deg)

            # Defining Particles
            particle_1 = ba.Particle(material_2, formFactor_1)
            particle_1_rotation = ba.RotationY(180.0 * deg)
            particle_1.setRotation(particle_1_rotation)
            particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, y2 * nm)
            particle_1.setPosition(particle_1_position)
            particle_2 = ba.Particle(material_2, formFactor_2)
            particle_2_position = kvector_t(0.0 * nm, 0.0 * nm, z2 * nm)
            particle_2.setPosition(particle_2_position)

            # Defining composition of particles at specific positions

            particleComposition_1.addParticle(particle_1)
            particleComposition_1.addParticle(particle_2)

        particleComposition_1_rotation = ba.RotationZ(j * deg)
        particleComposition_1.setRotation(particleComposition_1_rotation)

        # Defining Particle Layouts and adding Particles
        layout_1 = ba.ParticleLayout()
        layout_1.addParticle(particleComposition_1, 1.0)
        layout_1.setTotalParticleSurfaceDensity(0.001)

        # Adding layouts to layers
        layer_1.addLayout(layout_1)

        # Defining Multilayers
        multiLayer_1 = ba.MultiLayer()
        multiLayer_1.addLayer(layer_1)
        multiLayer_1.addLayer(layer_2)
        return multiLayer_1
コード例 #16
0
    def buildSample(self):
        # defining materials
        m_air = ba.HomogeneousMaterial("Air", 0.0, 0.0)
        m_Si = ba.HomogeneousMaterial("Si", 5.78164736e-6, 1.02294578e-7)
        m_Ag = ba.HomogeneousMaterial("Ag", 2.24749529E-5, 1.61528396E-6)
        m_PTFE = ba.HomogeneousMaterial("PTFE", 5.20508729E-6, 1.96944292E-8)
        m_HMDSO = ba.HomogeneousMaterial("HMDSO", 2.0888308E-6, 1.32605651E-8)

        # collection of particles with size distribution
        nparticles = 20
        nfwhm = 2.0
        sphere_ff = ba.FormFactorFullSphere(self.radius.value)
        # sphere_ff = ba.FormFactorTruncatedSphere(
        #    self.radius.value, self.radius.value*1.5)

        sphere = ba.Particle(m_Ag, sphere_ff)
        position = ba.kvector_t(0 * ba.nm, 0 * ba.nm,
                                -1.0 * self.hmdso_thickness.value)
        sphere.setPosition(position)
        ln_distr = ba.DistributionLogNormal(self.radius.value,
                                            self.sigma.value)
        par_distr = ba.ParameterDistribution("/Particle/FullSphere/Radius",
                                             ln_distr, nparticles, nfwhm)
        # par_distr = ba.ParameterDistribution(
        #    "/Particle/TruncatedSphere/Radius", ln_distr, nparticles, nfwhm)
        # par_distr.linkParameter("/Particle/TruncatedSphere/Height")
        part_coll = ba.ParticleDistribution(sphere, par_distr)

        # interference function
        interference = ba.InterferenceFunctionRadialParaCrystal(
            self.distance.value, 1e6 * ba.nm)
        interference.setKappa(self.kappa.value)
        interference.setDomainSize(20000.0)
        pdf = ba.FTDistribution1DGauss(self.disorder.value)
        interference.setProbabilityDistribution(pdf)

        # assembling particle layout
        particle_layout = ba.ParticleLayout()
        particle_layout.addParticle(part_coll, 1.0)
        particle_layout.addInterferenceFunction(interference)
        particle_layout.setApproximation(ba.ILayout.SSCA)
        particle_layout.setTotalParticleSurfaceDensity(1)

        # roughness
        r_ptfe = ba.LayerRoughness(2.3 * ba.nm, 0.3, 5.0 * ba.nm)
        r_hmdso = ba.LayerRoughness(1.1 * ba.nm, 0.3, 5.0 * ba.nm)

        # layers
        air_layer = ba.Layer(m_air)
        hmdso_layer = ba.Layer(m_HMDSO, self.hmdso_thickness.value)
        hmdso_layer.addLayout(particle_layout)
        ptfe_layer = ba.Layer(m_PTFE, self.ptfe_thickness.value)
        substrate_layer = ba.Layer(m_Si)

        # assembling multilayer
        multi_layer = ba.MultiLayer()
        multi_layer.addLayer(air_layer)
        multi_layer.addLayerWithTopRoughness(hmdso_layer, r_hmdso)
        multi_layer.addLayerWithTopRoughness(ptfe_layer, r_ptfe)
        multi_layer.addLayer(substrate_layer)

        return multi_layer
コード例 #17
0
 def run_Simulation_mm(qzs, params):
     return run_simulation(qzs,
                           params,
                           polarization=ba.kvector_t(0, -1, 0),
                           analyzer=ba.kvector_t(0, -1, 0))