Dean Huang
70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
# Copyright 2013 DEVSIM LLC
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#
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# SPDX-License-Identifier: Apache-2.0
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import devsim
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from devsim import get_contact_list, get_region_list, set_parameter, set_node_values
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from devsim.python_packages.model_create import CreateSolution
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from devsim.python_packages.simple_physics import (
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GetContactBiasName,
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SetOxideParameters,
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SetSiliconParameters,
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CreateSiliconPotentialOnly,
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CreateSiliconPotentialOnlyContact,
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CreateSiliconDriftDiffusion,
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CreateSiliconDriftDiffusionAtContact,
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CreateOxidePotentialOnly,
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CreateSiliconOxideInterface,
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)
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devsim.load_devices(file="mos_2d_dd.msh")
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device = devsim.get_device_list()[0]
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device = "mymos"
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silicon_regions = ("gate", "bulk")
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oxide_regions = ("oxide",)
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regions = ("gate", "bulk", "oxide")
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interfaces = ("bulk_oxide", "gate_oxide")
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for i in silicon_regions:
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SetSiliconParameters(device, i, 300)
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CreateSiliconPotentialOnly(device, i)
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for i in oxide_regions:
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SetOxideParameters(device, i, 300)
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CreateOxidePotentialOnly(device, i, "log_damp")
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### Set up contacts
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contacts = get_contact_list(device=device)
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for i in contacts:
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tmp = get_region_list(device=device, contact=i)
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r = tmp[0]
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print("%s %s" % (r, i))
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CreateSiliconPotentialOnlyContact(device, r, i)
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set_parameter(device=device, name=GetContactBiasName(i), value=0.0)
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for i in interfaces:
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CreateSiliconOxideInterface(device, i)
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for i in silicon_regions:
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CreateSolution(device, i, "Electrons")
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CreateSolution(device, i, "Holes")
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set_node_values(
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device=device, region=i, name="Electrons", init_from="IntrinsicElectrons"
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)
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set_node_values(device=device, region=i, name="Holes", init_from="IntrinsicHoles")
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CreateSiliconDriftDiffusion(device, i, "mu_n", "mu_p")
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for c in contacts:
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tmp = get_region_list(device=device, contact=c)
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r = tmp[0]
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CreateSiliconDriftDiffusionAtContact(device, r, c)
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devsim.solve(
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type="dc", absolute_error=1.0e30, relative_error=1e-5, maximum_iterations=30
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)
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