def SetupElectronSRVAtInterface(device, interface):
'''
Surface Recombination Velocity At Interface
'''
devsim.set_parameter(device=device, name="alpha_n", value=1e-7)
iexp = "(alpha_n@r0)*(Electrons@r0-Electrons@r1)"
for name, equation in (
("srvElectrons", iexp),
("srvElectrons2", "srvElectrons"),
("srvElectrons:Electrons@r0", "diff(%s,Electrons@r0)" % iexp),
("srvElectrons:Electrons@r1", "diff(%s,Electrons@r1)" % iexp),
("srvElectrons2:Electrons@r0", "srvElectrons:Electrons@r0"),
("srvElectrons2:Electrons@r1", "srvElectrons:Electrons@r1"),
):
devsim.interface_model(device=device,
interface=interface,
name=name,
equation=equation)
devsim.interface_equation(device=device,
interface=interface,
name="ElectronContinuityEquation",
variable_name="Electrons",
interface_model="srvElectrons2",
type="fluxterm")
def CreateSiliconOxideInterface(device, interface):
'''
continuous potential at interface
'''
model_name = CreateContinuousInterfaceModel(device, interface, "Potential")
ds.interface_equation(device=device,
interface=interface,
name="PotentialEquation",
interface_model=model_name,
type="continuous")
def createSiliconOxideInterface(device, interface):
for name, equation in (
("continuousPotential", "Potential@r0-Potential@r1"),
("continuousPotential:Potential@r0", "1"),
("continuousPotential:Potential@r1", "-1"),
):
devsim.interface_model(device=device,
interface=interface,
name=name,
equation=equation)
devsim.interface_equation(device=device,
interface=interface,
name="PotentialEquation",
variable_name="Potential",
interface_model="continuousPotential",
type="continuous")
def SetupContinuousElectronsAtInterface(device, interface):
# type continuous means that regular equations in both regions are swapped into the primary region
devsim.interface_model(device=device,
interface=interface,
name="continuousElectrons",
equation="Electrons@r0-Electrons@r1")
devsim.interface_model(device=device,
interface=interface,
name="continuousElectrons:Electrons@r0",
equation="1")
devsim.interface_model(device=device,
interface=interface,
name="continuousElectrons:Electrons@r1",
equation="-1")
devsim.interface_equation(device=device,
interface=interface,
name="ElectronContinuityEquation",
variable_name="Electrons",
interface_model="continuousElectrons",
type="continuous")
def SetupContinuousPotentialAtInterface(device, interface):
# type continuous means that regular equations in both regions are swapped into the primary region
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential",
equation="Potential@r0-Potential@r1")
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential:Potential@r0",
equation="1")
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential:Potential@r1",
equation="-1")
devsim.interface_equation(device=device,
interface=interface,
name="PotentialEquation",
variable_name="Potential",
interface_model="continuousPotential",
type="continuous")
def createSiliconSiliconInterface(device, interface):
for variable in ("Potential", "Electrons", "Holes"):
format_dict = {"var", variable}
for name, equation in (
("continuous%(var)s", "%(var)s@r0-%(var)s@r1"),
("continuous%(var)s:%(var)s@r0", "1"),
("continuous%(var)s:%(var)s@r1", "-1"),
):
name_sub = name % format_dict
equation_sub = equation % format_dict
devsim.interface_model(device=device,
interface=interface,
name=name_sub,
equation=equation_sub)
eqname = "%sEquation" % variable
ieqname = "continuous%s" % variable
devsim.interface_equation(device=device,
interface=interface,
name=eqname,
variable_name=variable,
interface_model=ieqname,
type="continuous")
# type continuous means that regular equations in both regions are swapped into the primary region
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential",
equation="Potential@r0-Potential@r1")
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential:Potential@r0",
equation="1")
devsim.interface_model(device=device,
interface=interface,
name="continuousPotential:Potential@r1",
equation="-1")
devsim.interface_equation(device=device,
interface=interface,
name="PotentialEquation",
variable_name="Potential",
interface_model="continuousPotential",
type="continuous")
def print_charge():
print(
devsim.get_contact_charge(device=device,
contact="top",
equation="PotentialEquation"))
print(
devsim.get_contact_charge(device=device,
contact="bot",
equation="PotentialEquation"))