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_rotation = ba.RotationY(60.0 * deg) particle_1.setRotation(particle_1_rotation) particle_1_position = kvector_t(0.0 * nm, 0.0 * nm, 439.0 * nm) particle_1.setPosition(particle_1_position) # Defining composition of particles at specific positions z1 = j z2 = j + 120 z3 = j + 240 particleComposition_1 = ba.ParticleComposition() particleComposition_1.addParticle(particle_1) particleComposition_1_rotation = ba.RotationZ(z1 * deg) particleComposition_1.setRotation(particleComposition_1_rotation) particleComposition_2 = ba.ParticleComposition() particleComposition_2.addParticle(particle_1) particleComposition_2_rotation = ba.RotationZ(z2 * deg) particleComposition_2.setRotation(particleComposition_2_rotation) particleComposition_3 = ba.ParticleComposition() particleComposition_3.addParticle(particle_1) 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_1, 1.0) layout_1.addParticle(particleComposition_2, 1.0) layout_1.addParticle(particleComposition_3, 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
def get_sample(): """ Returns a sample with rotated pyramids on top of a substrate. """ # 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) # collection of particles pyramid_ff = ba.FormFactorPyramid(10*nm, 5*nm, 54.73*deg) pyramid = ba.Particle(m_particle, pyramid_ff) transform = ba.RotationZ(45.*deg) particle_layout = ba.ParticleLayout() particle_layout.addParticle( pyramid, 1.0, ba.kvector_t(0.0, 0.0, 0.0), transform) 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
def get_horizontal_lamellar(): mat_a = ba.HomogeneousMaterial("PTFE", 5.20508729E-6, 1.96944292E-8) mat_b = ba.HomogeneousMaterial("HMDSO", 2.0888308E-6, 1.32605651E-8) length = 30 * nm width_a = 4 * nm width_b = 8 * nm height = 30 * nm nstack = 5 stack = ba.ParticleComposition() for i in range(0, nstack): box_a = ba.Particle(mat_a, ba.FormFactorBox(length, width_a, height)) box_b = ba.Particle(mat_b, ba.FormFactorBox(length, width_b, height)) stack.addParticle(box_a, ba.kvector_t(0.0, i * (width_a + width_b), 0.0)) stack.addParticle( box_b, ba.kvector_t(0.0, (width_a + width_b) / 2. + i * (width_a + width_b), 0.0)) stack.setRotation(ba.RotationZ(45. * deg)) # Defining particles with parameter following a distribution gate = ba.DistributionGate(0.0 * deg, 180.0 * deg) par_distr = ba.ParameterDistribution( "/ParticleComposition/ZRotation/Angle", gate, 60, 0.0) particles = ba.ParticleDistribution(stack, par_distr) return particles
def create_meso(self): ff_meso = ba.FormFactorCylinder(self.m_meso_radius, self.m_meso_height) lattice = self.create_lattice(self.m_lattice_length_a, self.m_lattice_length_c) basis = self.create_basis(self.particle_material, lattice, self.m_nanoparticle_radius, self.m_sigma_nanoparticle_radius, self.m_nparticles) npc = ba.Crystal(basis, lattice) dw_factor = self.particle_pos_sigma * self.particle_pos_sigma npc.setPositionVariance(dw_factor) result = ba.MesoCrystal(npc, ff_meso) if self.m_rotation_z != 0.0: rotZ = ba.RotationZ(self.m_rotation_z * deg) result.setRotation(rotZ) if self.m_rotation_x != 0.0: rotX = ba.RotationX(self.m_rotation_x * deg) result.rotate(rotX) return result
def get_sample(): """ Returns a sample with rotated pyramids on top of a substrate. """ # 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) # collection of particles pyramid_ff = ba.FormFactorPyramid(40*nm, 20*nm, 54.73*deg) pyramid = ba.Particle(m_particle, pyramid_ff) particle_layout = ba.ParticleLayout() # Option1: add rotational distribution manually # nrotations=100 # angles = np.linspace(0, 180, nrotations, endpoint=False) # for angle in angles: # transform = ba.RotationZ(angle*deg) # particle_layout.addParticle(pyramid, 1.0/nrotations, ba.kvector_t(0.0, 0.0, 0.0), transform) # use BornAgain distributions transform = ba.RotationZ(45.*deg) particle_layout.addParticle(pyramid, 1.0, ba.kvector_t(0.0, 0.0, 0.0), transform) 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) # print(multi_layer.parametersToString()) return multi_layer
def get_sample(): """ Returns a sample with a grating on a substrate, modelled by infinitely long boxes forming a 1D lattice. """ # 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) # collection of particles lattice_length = 100.0 * nm lattice_rotation_angle = 0.0 * deg interference = ba.InterferenceFunction1DLattice(lattice_length, lattice_rotation_angle) pdf = ba.FTDecayFunction1DCauchy(1e+6) interference.setDecayFunction(pdf) box_ff = ba.FormFactorBox(1000 * nm, 20 * nm, 10.0 * nm) box = ba.Particle(m_particle, box_ff) transform = ba.RotationZ(90.0 * deg) particle_layout = ba.ParticleLayout() particle_layout.addParticle(box, 1.0, ba.kvector_t(0.0, 0.0, 0.0), transform) 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
def testBoxTransform(self): """ Reference box of (10,50,20) size is compared against the box (50,20,10) with two rotations applied to get reference one """ mParticle = ba.HomogeneousMaterial("Ag", 1.245e-5, 5.419e-7) # reference box length = 10 width = 50 height = 20 box = ba.Particle(mParticle, ba.FormFactorBox(length, width, height)) box.setPosition(kvector_t(0, 0, -layer_thickness / 2 - height / 2)) reference_data = self.get_result(box) #IntensityDataIOFactory.writeIntensityData(reference_data, "ref_TransformBox.int") # second box length = 50 width = 20 height = 10 box = ba.Particle(mParticle, ba.FormFactorBox(length, width, height)) box.setRotation(ba.RotationZ(90 * deg)) box.rotate(ba.RotationY(90 * deg)) box.setPosition(kvector_t(0, 0, -layer_thickness / 2)) data = self.get_result(box) diff = ba.RelativeDifference(data, reference_data) print(diff) self.assertLess(diff, 1e-10)
def get_sample(): # Defining Materials material_1 = ba.HomogeneousMaterial("Air", 0.0, 0.0) material_2 = ba.MaterialBySLD("Au", 4.6665e-06, -1.6205e-08) material_3 = ba.MaterialBySLD("Si", 2.0737e-06, -2.3758e-11) # Defining Layers layer_1 = ba.Layer(material_1) layer_2 = ba.Layer(material_3) formFactor_1 = ba.FormFactorCone6(159.0 * nm, 640.0 * nm, 86.0 * deg) formFactor_2 = ba.FormFactorCone6(157.0 * nm, 640.0 * nm, 86.0 * deg) formFactor_3 = ba.FormFactorTruncatedSphere(115.0 * nm, 160.0 * nm, 0.0 * nm) particle_1 = ba.Particle(material_2, formFactor_1) particle_2 = ba.Particle(material_3, formFactor_2) particle_3 = ba.Particle(material_2, formFactor_3) particle_3_position = kvector_t(0.0 * nm, 0.0 * nm, 640.0 * nm) particle_3.setPosition(particle_3_position) # Defining Core Shell Particles particleCoreShell_1 = ba.ParticleCoreShell(particle_2, particle_1) particleCoreShell_1_rotation = ba.RotationZ(0 * deg) particleCoreShell_1.setRotation(particleCoreShell_1_rotation) # Defining composition of particles at specific positions particleComposition_1 = ba.ParticleComposition() particleComposition_1.addParticle(particleCoreShell_1) particleComposition_1.addParticle(particle_3) particleComposition_1_rotation = ba.RotationX(0.0 * deg) particleComposition_1.setRotation(particleComposition_1_rotation) # Defining Interference Functions interference_1 = ba.InterferenceFunction2DLattice( 1500.0 * nm, 1500.0 * nm, 120.0 * deg, i * deg) interference_1_pdf = ba.FTDecayFunction2DCauchy( 1000.0 * nm, 1000.0 * nm, 0.0 * deg) interference_1.setDecayFunction(interference_1_pdf) interference_1.setPositionVariance(500.0 * nm2) # Defining Particle Layouts and adding Particles layout_1 = ba.ParticleLayout() layout_1.addParticle(particleComposition_1, 1.0) layout_1.setInterferenceFunction(interference_1) layout_1.setTotalParticleSurfaceDensity(0.000001) # 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
def get_sample_rot_distr(): # create materials substrate_material = ba.HomogeneousMaterial("Substrate", 6.05878e-6, 6.94321e-11) particle_material = ba.HomogeneousMaterial("ParticleCore", -0.609e-6, 0.183e-6) layer_material = ba.HomogeneousMaterial("D2O", 1.85762e-5, 3.31309e-11) # create mesocrystal # lattice lat = create_hex_lattice(distance, length) # basis particle ff = ba.FormFactorCylinder(radius, length) particle = ba.Particle(particle_material, ff) # rotate cylinder to make it parallel to the substrate rotation = ba.RotationY(90.0 * ba.degree) particle.setRotation(rotation) basis = ba.ParticleComposition(particle) # mesocrystal total_height = nbr_layers * distance * np.sin(hex_angle) # using a Gaussian form factor as the overall shape of where the cylinders are meso_ff = ba.FormFactorGauss(meso_width, total_height) # assemble them into mesocrystal npc = ba.Crystal(basis, lat) dw_factor = 0.2 npc.setDWFactor(dw_factor) meso = ba.MesoCrystal(npc, meso_ff) # rotate mesocrystal rot_y = ba.RotationY(180.0 * ba.degree) meso.setRotation(rot_y) # turn upside down rot_z = ba.RotationZ(0.1 * ba.degree) meso.applyRotation(rot_z) # rotate around Z meso.setPosition(0.0, 0.0, 0.0) # add uniform distribution of the domain orientations rot_distr = ba.DistributionGate((90.0 - rz_range) * ba.degree, (90.0 + rz_range) * ba.degree) ang_distr = ba.ParameterDistribution("*MesoCrystal/EulerRotation/Gamma", rot_distr, rz_num) part_coll = ba.ParticleDistribution(meso, ang_distr) # Create multilayer multi_layer = ba.MultiLayer() d2o_layer = ba.Layer(layer_material) substrate_layer = ba.Layer(substrate_material) particle_layout = ba.ParticleLayout() particle_layout.addParticle(part_coll) d2o_layer.addLayout(particle_layout) # the sample is upside down multi_layer.addLayer(substrate_layer) multi_layer.addLayer(d2o_layer) return multi_layer
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): r = 159 * nm - i * 2 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) 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
def get_sample(): # Defining Materials material_1 = ba.HomogeneousMaterial("Air", 0.0, 0.0) material_2 = ba.MaterialBySLD("Au", 4.6665e-06, -1.6205e-08) material_3 = ba.MaterialBySLD("Si", 2.0737e-06, -2.3758e-11) material_4 = ba.MaterialBySLD("Fe", 7.9486e-06, -5.9880e-10) # Defining Layers layer_1 = ba.Layer(material_1) layer_2 = ba.Layer(material_3) formFactor_1 = ba.FormFactorCone6(85 * nm, 385.0 * nm, 86.0 * deg) formFactor_2 = ba.FormFactorCone6(84 * nm, 385.0 * nm, 86.0 * deg) formFactor_3 = ba.FormFactorTruncatedSphere(68.0 * nm, 95.0 * nm, 0.0 * nm) particle_1 = ba.Particle(material_4, formFactor_1) particle_2 = ba.Particle(material_3, formFactor_2) particle_3 = ba.Particle(material_2, formFactor_3) particle_3_position = kvector_t(0.0 * nm, 0.0 * nm, 385.0 * nm) particle_3.setPosition(particle_3_position) # Defining Core Shell Particles particleCoreShell_1 = ba.ParticleCoreShell(particle_2, particle_1) particleCoreShell_1_rotation = ba.RotationZ(i * deg) particleCoreShell_1.setRotation(particleCoreShell_1_rotation) # Defining composition of particles at specific positions particleComposition_1 = ba.ParticleComposition() particleComposition_1.addParticle(particleCoreShell_1) particleComposition_1.addParticle(particle_3) particleComposition_1_rotation = ba.RotationX(0.0 * 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(0.01) # 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
def get_sample(lattice_rotation_angle=0.0 * deg): """ Returns a sample with a grating on a substrate. lattice_rotation_angle = 0 - beam parallel to grating lines lattice_rotation_angle = 90*deg - beam perpendicular to grating lines """ # defining materials m_ambience = ba.HomogeneousMaterial("Air", 0.0, 0.0) m_si = ba.HomogeneousMaterial("Si", 5.78164736e-6, 1.02294578e-7) box_length, box_width, box_height = 50 * micrometer, 70 * nm, 50 * nm lattice_length = 150 * nm # collection of particles interference = ba.InterferenceFunction1DLattice( lattice_length, 90.0 * deg - lattice_rotation_angle) pdf = ba.ba.FTDecayFunction1DGauss(450.0) interference.setDecayFunction(pdf) box_ff = ba.FormFactorLongBoxLorentz(box_length, box_width, box_height) box = ba.Particle(m_si, 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_si) roughness = ba.LayerRoughness() roughness.setSigma(5.0 * nm) roughness.setHurstParameter(0.5) roughness.setLatteralCorrLength(10.0 * nm) multi_layer = ba.MultiLayer() multi_layer.addLayer(air_layer) multi_layer.addLayerWithTopRoughness(substrate_layer, roughness) return multi_layer
def get_sample(): # Defining Materials material_1 = ba.HomogeneousMaterial("Air", 0.0, 0.0) material_2 = ba.MaterialBySLD("Au", 4.6665e-06, -1.6205e-08) material_3 = ba.MaterialBySLD("Si", 2.0737e-06, -2.3758e-11) # Defining Layers layer_1 = ba.Layer(material_1) layer_2 = ba.Layer(material_3) # Defining Form Factors formFactor_1 = ba.FormFactorCone6(90.0 * nm, 270.0 * nm, 75.0 * deg) formFactor_2 = ba.FormFactorCone6(88.0 * nm, 270.0 * nm, 75.0 * deg) # Defining Particles particle_1 = ba.Particle(material_2, formFactor_1) particle_2 = ba.Particle(material_3, formFactor_2) # Defining Core Shell Particles particleCoreShell_1 = ba.ParticleCoreShell(particle_2, particle_1) particleCoreShell_1_rotation = ba.RotationZ(i * deg) particleCoreShell_1.setRotation(particleCoreShell_1_rotation) # Defining Particle Layouts and adding Particles layout_1 = ba.ParticleLayout() layout_1.addParticle(particleCoreShell_1, 1.0) layout_1.setTotalParticleSurfaceDensity(0.0001) # Defining Roughness Parameters # layerRoughness_1 = ba.LayerRoughness(1.0, 0.3, 5.0*nm) # 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) # multiLayer_1.addLayerWithTopRoughness(layer_2, layerRoughness_1) return multiLayer_1
def create_meso(self): lattice = self.create_lattice(self.m_lattice_length_a, self.m_lattice_length_c) basis = self.create_basis(self.particle_material, lattice) ff_meso = self.create_outer_formfactor() npc = ba.Crystal(basis, lattice) npc.setPositionVariance(self.particle_pos_sigma * self.particle_pos_sigma) result = ba.MesoCrystal(npc, ff_meso) if self.m_rotation_z != 0.0: rotZ = ba.RotationZ(self.m_rotation_z * deg) result.setRotation(rotZ) if self.m_rotation_x != 0.0: rotX = ba.RotationX(self.m_rotation_x * deg) result.rotate(rotX) return result
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_vacuum = ba.HomogeneousMaterial("Vacuum", 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 vacuum_layer = ba.Layer(m_vacuum) vacuum_layer.addLayout(particle_layout) substrate_layer = ba.Layer(m_substrate) multi_layer = ba.MultiLayer() multi_layer.addLayer(vacuum_layer) multi_layer.addLayer(substrate_layer) return multi_layer
Plot form factors. """ import bornagain as ba from bornagain import nanometer, degree import bornplot as bp import math det = bp.Detector(200, -5, 5, -5, 5) n = 3 results = [] edge = 3.2 title = 'default' ff = ba.FormFactorDodecahedron(edge * nanometer) data = bp.run_simulation(det, ff) results.append(bp.Result(0, data, title)) title = 'rotated' trafo = ba.RotationZ(13 * degree) ff = ba.FormFactorDodecahedron(edge * nanometer) data = bp.run_simulation(det, ff, trafo) results.append(bp.Result(1, data, title)) title = 'rotated, tilted' trafo = ba.createProduct(ba.RotationX(9 * degree), ba.RotationZ(13 * degree)) ff = ba.FormFactorDodecahedron(edge * nanometer) data = bp.run_simulation(det, ff, trafo) results.append(bp.Result(2, data, title)) bp.make_plot(results, det, "ff_Dodecahedron_asy")
""" Plot form factors. """ import bornagain as ba from bornagain import nanometer, degree import bornplot as bp det = bp.Detector( 200, 0, 5, 0, 5 ) n = 4 results = [] for i in range(n): omega=90*i/(n-1) title = r'$\omega=%d^\circ$' % omega ff = ba.FormFactorRipple1(25*nanometer, 10*nanometer, 8*nanometer ) trafo = ba.RotationZ(omega*degree) data = bp.run_simulation(det,ff,trafo) results.append( bp.Result(i, data, title) ) bp.make_plot( results, det, "ff_Ripple1" )
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