public override SpinResolved_Data Get_ChargeDensity_Deriv(ILayer[] layers, SpinResolved_Data carrier_density_deriv, SpinResolved_Data dopent_density_deriv, Band_Data chem_pot)
{
for (int i = 0; i < nz; i++)
{
double z = dz * i + zmin;
// get the relevant layer and if it's frozen out, don't recalculate the dopent charge
ILayer current_Layer = Solver_Bases.Geometry.Geom_Tool.GetLayer(layers, z);
ZeroD_Density charge_calc = new ZeroD_Density(current_Layer, temperature);
if (!current_Layer.Dopents_Frozen_Out(temperature))
{
double local_dopent_density_deriv = charge_calc.Get_DopentDensityDeriv(chem_pot.vec[i]);
dopent_density_deriv.Spin_Up.vec[i] = 0.5 * local_dopent_density_deriv;
dopent_density_deriv.Spin_Down.vec[i] = 0.5 * local_dopent_density_deriv;
}
else
{
dopent_density_deriv.Spin_Up.vec[i] = 0.0;
dopent_density_deriv.Spin_Down.vec[i] = 0.0;
}
carrier_density_deriv.Spin_Up.vec[i] = 0.5 * charge_calc.Get_CarrierDensityDeriv(chem_pot.vec[i]);
carrier_density_deriv.Spin_Down.vec[i] = 0.5 * charge_calc.Get_CarrierDensityDeriv(chem_pot.vec[i]);
}
return(carrier_density_deriv + dopent_density_deriv);
}
public override SpinResolved_Data Get_ChargeDensity_Deriv(ILayer[] layers, SpinResolved_Data carrier_density_deriv, SpinResolved_Data dopent_density_deriv, Band_Data chem_pot)
{
for (int i = 0; i < nx; i++)
{
for (int j = 0; j < ny; j++)
{
// leave the edges zeroed
if (i == 0 || i == nx - 1 || j == 0 || j == ny - 1)
{
continue;
}
double x = dx * i + xmin;
double y = dy * j + ymin;
// get the relevant layer and if it's frozen out, don't recalculate the dopent charge
ILayer current_Layer = Solver_Bases.Geometry.Geom_Tool.GetLayer(layers, plane, x, y, pos_z);
ZeroD_Density charge_calc = new ZeroD_Density(current_Layer, temperature);
if (!current_Layer.Dopents_Frozen_Out(temperature))
{
double local_dopent_density_deriv = charge_calc.Get_DopentDensityDeriv(chem_pot.mat[i, j]);
dopent_density_deriv.Spin_Up.mat[i, j] = 0.5 * local_dopent_density_deriv;
dopent_density_deriv.Spin_Down.mat[i, j] = 0.5 * local_dopent_density_deriv;
}
else
{
dopent_density_deriv.Spin_Up.mat[i, j] = 0.0;
dopent_density_deriv.Spin_Down.mat[i, j] = 0.0;
}
carrier_density_deriv.Spin_Up.mat[i, j] = 0.5 * charge_calc.Get_CarrierDensityDeriv(chem_pot.mat[i, j]);
carrier_density_deriv.Spin_Down.mat[i, j] = 0.5 * charge_calc.Get_CarrierDensityDeriv(chem_pot.mat[i, j]);
}
}
return(carrier_density_deriv + dopent_density_deriv);
}
