forked from lijiext/lammps
46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
#=====================================================
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material Vacuum metal
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#### two temperature ####################
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#### drift diffusion #####################
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electric_field linear
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#permittivity 1.0
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permittivity 1.085 # estimate based on speed of light in Cu and Cu's relative permeability of 1
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end
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end
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#=====================================================
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material Cu metal
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heat_capacity constant
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capacity 0.211977459280654
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end
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heat_flux linear
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conductivity 67.4479848
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end
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electron_heat_capacity linear no_density
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#capacity 6.8439866929411762e-05 # value from TTM paper divided by bulk electron density in Cu
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capacity 5.8294334393503992e-05 # source 96.8 J m^-3 K^-2 in Lin & Zhigilei 08 (ref 47), converted to AtC units and divided by bulk electron density in Cu, NOTE: should not be multiplied by electron effective mass, only electron number density
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end
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electron_heat_flux linear
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conductivity 441.362750535
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end
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electron_phonon_exchange hertel
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debeye_temperature 343.5 # source wikipedia
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mass_enhancement 0.08 # source Hertel 2002, ref 62
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end
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electric_field linear
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permittivity 1.085 # estimate based on speed of light in Cu and Cu's relative permeability of 1
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end
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effective_mass constant
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inv_effective_mass 0.8997 # source: Tolman & Stewart, 1916
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end
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electron_drag linear
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inv_momentum_relaxation_time 100. # order of magnitude estimate for metals ~ 10^-14 s
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end
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electron_flux convection
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end
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end
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electron_recombination linear
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inv_relaxation_time 0.0
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equilibrium_carrier_density 0.0
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end
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end
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