material Vacuum metal
electric_field linear
permittivity           1.0  
end
end

material Si metal
#### two temperature  ####################
heat_capacity constant
 capacity 0.124578126430817        # E / L^3
end
electron_heat_capacity  constant, no density #power_law
#capacity 3.53391324615404e-11
 capacity 3.53391324615404e-8      # E / L^3
end
heat_flux linear
 conductivity 722.65698            # E / t / L / T
end
electron_heat_flux linear
 conductivity 0.0441362750535      # E / t / L / T
end
electron_phonon_exchange linear
 coefficient 6.0221415e-09         # E / t / T
end
#### drift diffusion #####################
electron_flux linear
 mobility                 360000.0   # L^2/t/V
 #diffusivity            14000000.0   # L^2/t
 diffusivity            1400.0   # L^2/t
 mask_y    1
 mask_z    1
end
electron_recombination linear
# inv_relaxation_time    0.0          # 1/t    HACK
# equilibrium_carrier_density 1.0     # e/L^3  HACK
end
electric_field linear
 permittivity     11.68 # e/V/L http://en.wikipedia.org/wiki/Relative_permittivity
end
effective_mass constant
 inv_effective_mass 1.0  # unit-less
end
electron_density fermi_dirac
 fermi_energy         0.0   # HACK
 band_edge           -1.0   # -1.0
# reference_temperature 0.0  # HACK
# donor_concentration  0.001     # HACK
# donor_ionization_energy 0.1  # relative to band edge HACK
end
end


