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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Sample/StandardSample/PlainMultiLayerBySLDBuilder.cpp
//! @brief Implements class PlainMultiLayerBySLDBuilder.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "Sample/StandardSample/PlainMultiLayerBySLDBuilder.h"
#include "Sample/Material/MaterialFactoryFuncs.h"
#include "Sample/Multilayer/Layer.h"
#include "Sample/Multilayer/Sample.h"
namespace {
struct MaterialData {
double sld_real; //!< real part of sld in AA^{-2}
double sld_imag; //!< imaginary part of sld in AA^{-2}
};
const MaterialData m_si{2.0704e-06, 2.3726e-11};
const MaterialData m_ti{-1.9493e-06, 9.6013e-10};
const MaterialData m_ni{9.4245e-06, 1.1423e-09};
} // namespace
Sample* ExemplarySamples::createPlainMultiLayerBySLD(int n_layers, double thick_ti)
{
double thick_ni(7.0);
Material vacuum_material = MaterialBySLD();
Material substrate_material = MaterialBySLD("Si_substrate", m_si.sld_real, m_si.sld_imag);
Material ni_material = MaterialBySLD("Ni", m_ni.sld_real, m_ni.sld_imag);
Material ti_material = MaterialBySLD("Ti", m_ti.sld_real, m_ti.sld_imag);
Layer vacuum_layer(vacuum_material);
Layer ni_layer(ni_material, thick_ni);
Layer ti_layer(ti_material, thick_ti);
Layer substrate_layer(substrate_material);
auto* sample = new Sample;
sample->addLayer(vacuum_layer);
for (int i = 0; i < n_layers; ++i) {
sample->addLayer(ti_layer);
sample->addLayer(ni_layer);
}
sample->addLayer(substrate_layer);
return sample;
}
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