def CreateSimpleMeshWithInterface(device,
region0,
region1,
interface,
material1='Si',
material2='Si'):
'''
Commonly used for the regressions
device length: 1
spacing: 0.1
contacts: top (x=0), bot (x=1)
interface: mid (x=0.5)
'''
devsim.create_1d_mesh(mesh='dog')
devsim.add_1d_mesh_line(mesh='dog', pos=0, ps=0.1, tag='top')
devsim.add_1d_mesh_line(mesh='dog', pos=0.5, ps=0.1, tag='mid')
devsim.add_1d_mesh_line(mesh='dog', pos=1, ps=0.1, tag='bot')
devsim.add_1d_contact(mesh='dog', name='top', tag='top', material='metal')
devsim.add_1d_contact(mesh='dog', name='bot', tag='bot', material='metal')
devsim.add_1d_interface(mesh='dog', name=interface, tag='mid')
devsim.add_1d_region(mesh='dog',
material=material1,
region=region0,
tag1='top',
tag2='mid')
devsim.add_1d_region(mesh='dog',
material=material2,
region=region1,
tag1='mid',
tag2='bot')
devsim.finalize_mesh(mesh='dog')
devsim.create_device(mesh='dog', device=device)
def instantiate(filename, device, interface_siox, region_ox, region_si,
contact_ox, contact_si, ox_material, si_material):
ds.create_gmsh_mesh(mesh=device, file=filename)
ds.add_gmsh_region(mesh=device,
gmsh_name="oxide",
region=region_ox,
material=ox_material)
ds.add_gmsh_region(mesh=device,
gmsh_name="silicon",
region=region_si,
material=si_material)
ds.add_gmsh_contact(mesh=device,
gmsh_name="gate",
region=region_ox,
material="metal",
name=contact_ox)
ds.add_gmsh_contact(mesh=device,
gmsh_name="sub",
region=region_si,
material="metal",
name=contact_si)
ds.add_gmsh_interface(mesh=device,
gmsh_name="interface",
region0=region_ox,
region1=region_si,
name=interface_siox)
ds.finalize_mesh(mesh=device)
ds.create_device(mesh=device, device=device)
def make_moscap(device, interface_siox, region_ox, region_si, contact_ox,
contact_si, tox, tsi, ox_material, si_material):
'''
need to generalize, but good enough for our examples
'''
ds.create_1d_mesh(mesh="moscap")
if False:
ds.add_1d_mesh_line(mesh="moscap", pos=tox, ps=1e-7, tag="d0")
ds.add_1d_mesh_line(mesh="moscap", pos=0.0, ns=1e-9, ps=1e-7, tag="d1")
if tsi > 1e-6:
ds.add_1d_mesh_line(mesh="moscap", pos=-1e-6, ps=5e-9)
ds.add_1d_mesh_line(mesh="moscap", pos=-tsi, ps=1e-7, tag="d2")
ds.add_1d_contact(mesh="moscap",
name=contact_ox,
tag="d0",
material="metal")
ds.add_1d_contact(mesh="moscap",
name=contact_si,
tag="d2",
material="metal")
ds.add_1d_interface(mesh="moscap", name=interface_siox, tag="d1")
ds.add_1d_region(mesh="moscap",
material=ox_material,
region=region_ox,
tag1="d0",
tag2="d1")
ds.add_1d_region(mesh="moscap",
material=si_material,
region=region_si,
tag1="d1",
tag2="d2")
else:
ds.add_1d_mesh_line(mesh="moscap", pos=-tox, ps=1e-7, tag="d0")
ds.add_1d_mesh_line(mesh="moscap", pos=0.0, ps=1e-9, ns=1e-7, tag="d1")
if tsi > 1e-6:
ds.add_1d_mesh_line(mesh="moscap", pos=1e-6, ps=5e-9)
ds.add_1d_mesh_line(mesh="moscap", pos=tsi, ps=1e-7, tag="d2")
ds.add_1d_contact(mesh="moscap",
name=contact_ox,
tag="d0",
material="metal")
ds.add_1d_contact(mesh="moscap",
name=contact_si,
tag="d2",
material="metal")
ds.add_1d_interface(mesh="moscap", name=interface_siox, tag="d1")
ds.add_1d_region(mesh="moscap",
material=ox_material,
region=region_ox,
tag1="d0",
tag2="d1")
ds.add_1d_region(mesh="moscap",
material=si_material,
region=region_si,
tag1="d1",
tag2="d2")
ds.finalize_mesh(mesh="moscap")
ds.create_device(mesh="moscap", device=device)
def CreateNoiseMesh(device, region, material='Si'):
'''
Commonly used for the regressions
device length: 1
spacing: 0.1
contacts: top (x=0), bot (x=1)
'''
devsim.create_1d_mesh (mesh='dog')
devsim.add_1d_mesh_line(mesh='dog', pos=0, ps=5e-7, tag='top')
devsim.add_1d_mesh_line(mesh='dog', pos=1e-5, ps=5e-7, tag='bot')
devsim.add_1d_contact (mesh='dog', name='top', tag='top', material='metal')
devsim.add_1d_contact (mesh='dog', name='bot', tag='bot', material='metal')
devsim.add_1d_region (mesh='dog', material=material, region=region, tag1='top', tag2='bot')
devsim.finalize_mesh (mesh='dog')
devsim.create_device (mesh='dog', device=device)
def createMesh(device, region):
devsim.create_2d_mesh(mesh="dog")
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=0, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=0.5e-5, ps=1e-8)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=1e-5, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="y", pos=0, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="y", pos=1e-5, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=-1e-8, ps=1e-8)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=1.001e-5, ps=1e-8)
devsim.add_2d_region(mesh="dog", material="Si", region=region)
devsim.add_2d_region(mesh="dog",
material="Si",
region="air1",
xl=-1e-8,
xh=0)
devsim.add_2d_region(mesh="dog",
material="Si",
region="air2",
xl=1.0e-5,
xh=1.001e-5)
devsim.add_2d_contact(mesh="dog",
name="top",
region=region,
yl=0.8e-5,
yh=1e-5,
xl=0,
xh=0,
bloat=1e-10,
material="metal")
devsim.add_2d_contact(mesh="dog",
name="bot",
region=region,
xl=1e-5,
xh=1e-5,
bloat=1e-10,
material="metal")
devsim.finalize_mesh(mesh="dog")
devsim.create_device(mesh="dog", device=device)
# check my parser to verify that adding is possible (via dynamic_cast) # note this region won't have equation numbers devsim.add_2d_region( mesh="dog", material="gas", region="gas1", yl=-.001, yh=0.0) devsim.add_2d_region( mesh="dog", material="gas", region="gas2", yl=1.0, yh=1.001) devsim.add_2d_region( mesh="dog", material="Oxide", region="r0", xl=xmin, xh=xmax, yl=ymid1, yh=ymin) devsim.add_2d_region( mesh="dog", material="Silicon", region="r1", xl=xmin, xh=xmax, yl=ymid2, yh=ymid1) devsim.add_2d_region( mesh="dog", material="Silicon", region="r2", xl=xmin, xh=xmax, yl=ymid2, yh=ymax) #warn when leftover triangles are not encapsulated by region # not specifying bounding box means all intersecting nodes #bounding box is optional devsim.add_2d_interface( mesh="dog", name="i0", region0="r0", region1="r1") devsim.add_2d_interface( mesh="dog", name="i1", region0="r1", region1="r2", xl=0, xh=1, yl=ymid2, yh=ymid2, bloat=1.0e-10) devsim.add_2d_contact( mesh="dog", name="top", region="r0", yl=ymin, yh=ymin, bloat=1.0e-10, material="metal") devsim.add_2d_contact( mesh="dog", name="bot", region="r2", yl=ymax, yh=ymax, bloat=1.0e-10, material="metal") #contact can only apply interface devsim.finalize_mesh( mesh="dog") devsim.create_device(mesh="dog", device=device) devsim.node_model(device=device, name="NetDoping", region="gas1", equation="1e18") devsim.node_model(device=device, name="NetDoping", region="r0", equation="1e18") devsim.node_model(device=device, name="NetDoping", region="r1", equation="-1e15") devsim.node_model(device=device, name="NetDoping", region="r2", equation="-1e15") devsim.node_model(device=device, name="NetDoping", region="gas2", equation="-1e15") devsim.interface_normal_model(device=device, region="r0", interface="i0") devsim.interface_normal_model(device=device, region="r1", interface="i0") devsim.interface_normal_model(device=device, region="r1", interface="i1") devsim.interface_normal_model(device=device, region="r2", interface="i1") devsim.set_parameter(name="raxis_zero", value=0.0) devsim.set_parameter(name="raxis_variable", value="x")
name="bot",
region="air",
yl=y1,
yh=y2,
xl=x1,
xh=x4,
material="metal")
devsim.add_2d_contact(mesh=device,
name="top",
region="air",
yl=y3,
yh=y4,
xl=x2,
xh=x3,
material="metal")
devsim.finalize_mesh(mesh=device)
devsim.create_device(mesh=device, device=device)
###
### Set parameters on the region
###
devsim.set_parameter(device=device,
region=region,
name="Permittivity",
value=3.9 * 8.85e-14)
###
### Create the Potential solution variable
###
devsim.node_solution(device=device, region=region, name="Potential")
devsim.add_2d_mesh_line(mesh="mos", dir="x", pos=x_device_right, ps=max_x_spacing)
devsim.add_2d_mesh_line(mesh="mos", dir="x", pos=x_device_left, ps=max_x_spacing)
devsim.add_2d_region(mesh="mos", material="Air" , region="air")
devsim.add_2d_region(mesh="mos", material="Silicon", region="bulk", xl=x_bulk_left, xh=x_bulk_right, yl=y_bulk_bottom, yh=y_bulk_top)
devsim.add_2d_region(mesh="mos", material="Silicon", region="gate", xl=x_gate_left, xh=x_gate_right, yl=y_oxide_top, yh=y_gate_top)
devsim.add_2d_region(mesh="mos", material="Oxide" , region="oxide", xl=x_gate_left, xh=x_gate_right, yl=y_bulk_top, yh=y_oxide_top)
devsim.add_2d_contact(mesh="mos", name="gate", region="gate", yl=y_gate_top, yh=y_gate_top, material="metal")
devsim.add_2d_contact(mesh="mos", name="body", region="bulk", yl=y_bulk_bottom, yh=y_bulk_bottom, material="metal")
devsim.add_2d_contact(mesh="mos", name="source", region="bulk", yl=y_bulk_top, yh=y_bulk_top, xl=x_device_left, xh=x_gate_left, material="metal")
devsim.add_2d_contact(mesh="mos", name="drain" , region="bulk", yl=y_bulk_top, yh=y_bulk_top, xl=x_gate_right, xh=x_device_right, material="metal")
devsim.add_2d_interface(mesh="mos", name="gate_oxide", region0="gate", region1="oxide")
devsim.add_2d_interface(mesh="mos", name="bulk_oxide", region0="bulk", region1="oxide")
devsim.finalize_mesh(mesh="mos")
devsim.create_device(mesh="mos", device=device)
format_dict= {
'gate_doping' : gate_doping,
'source_doping' : source_doping,
'drain_doping' : drain_doping,
'body_doping' : body_doping,
'bulk_doping' : bulk_doping,
'x_gate_left' : x_gate_left,
'x_gate_right' : x_gate_right,
'x_diffusion_decay' : x_diffusion_decay,
'y_diffusion' : y_diffusion,
'y_diffusion_decay' : y_diffusion_decay,
'y_bulk_bottom' : y_bulk_bottom,
