32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
# Copyright 2013 DEVSIM LLC
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#
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# SPDX-License-Identifier: Apache-2.0
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# material parameter value unit description
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# constants = (
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# ("global", "Permittivity", 8.85418782e-14, "F/cm^2", "Permittivity of Free Space"),
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# ("SiO2", "epsr", 3.9, "", "Relative Permittivity"),
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# ("global", "ElectronCharge", 1.60217646e-19, "coul", "Charge of electrons")
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# ("Si", "epsr", 11.7, "", "Relative Permittivity"),
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# ("Si", "NC300", 3.23e19, "#/cm^3", "Conduction band DOS at 300K"),
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# ("Si", "NV300", 1.83e19, "#/cm^3", "Valence band DOS at 300K"),
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# ("Si", "EG300", 1.12, "eV", "Energy gap at 300K"),
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# ("Si", "EG_ALPHA", 0.0, "", "Temperature dependence of Energy gap model"),
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# ("Si", "EG_BETA", 0.0, "", "Temperature dependence of Energy gap model"),
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# )
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#
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#####
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##### These will become part of package
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#####
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##### Need relation between EF and Potential
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#
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# Eta_C = "(EF - EC)/(k * T)"
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# Eta_V = "(EV - EF)/(k * T)"
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#
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#
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##### EG MODEL from Wikipedia
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# EG(T) = EG(0) - (EG_ALPHA * T^2)/(T + EG_BETA)
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# ni(T) = (NC * NV)^0.5 * exp(-EG/(2 * k * T))
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